Ch 4 Maths Class pdf - Free Download Sep 27, �� NCERT Solutions for Class 10 Science Chapter 4 Carbon And Its Compounds: In this article, we Ch 4 Of Maths Class 10 10 Ch 4 Of Maths Class 10 10 will provide you detailed Carbon and Its Compounds Class 10 NCERT myboat334 boatplans NCERT Solutions For Class 10 Science Chapter 4 Carbon And Its Compounds was solved by the best teachers in India to help the students of class 10 to secure good marks in the subject science. Sep 12, �� Quadratic Equations Class Ch 4 Of Maths Class 10 10 10 NCERT Book: If you are looking for the best books of Class 10 Maths then NCERT Books can be a great choice to begin your preparation. NCERT Books for Class 10 Maths Chapter 4 Quadratic Equations can be of extreme use for students to understand the concepts in a simple myboat334 boatplans Textbooks Ch 4 Of Maths Class 10 10 for Class 10 Maths are highly recommended as they . Sep 22, �� Here we have given Class 11 Maths NCERT Solutions Straight Lines Ch 10 Exercise Ex Class 11 Maths Question-1 Ans. Ex Class 11 Maths Question-2 Ans. Ex Class 11 Maths Question-3 Ans. Ex Class 11 Maths Question-4 Ans. Ex Class 11 Maths Question-5 Ans. Ex Class 11 Maths Question-6 Ans. Ex Class 11 Maths.
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The organic tail dissolves in the dirt, grime or grease and the ionic head dissolves in water. When the clothes are rinsed or agitated, the dirt Ch 4 Of Maths Class 10 10 10 10 Of Maths Ch 4 Class gets pulled out of the clothes in the water by the soap molecule. In this way the soap does its cleaning work on dirty and grimy clothes or hands.

The soap molecules actually form a closed structure because of mutual repulsion of the positively charged heads. This structure is called a micelle.

Question 16 Why Ch 4 Of Maths Class 10 10 Ch 4 Of Maths Class 10 10 are carbon and its compounds used as fuels for most applications? Solution: Carbon and its compounds are used as fuels for most of the applications because they Class Ch 4 Maths 10 Of 10 Ch 4 Of Maths Class 10 10 Ch 4 Of Maths Class 10 10 burn in air releasing a lot of heat energy.

Question 17 Explain the formation of scum when hard water is treated with soap. Solution: The precipitate form of scum is formed when soap is used for washing clothes. With hard water, a large amount of soap is wasted in reacting with the calcium and Ch 4 Of Maths Class 10 10 Ch 4 Of Maths Class 10 10 magnesium ions of hard water to form an insoluble precipitate. The precipitate form formed by the action of hard water on soap, sticks to the clothes being washed and interferes with the cleaning ability of the additional soap.

This makes the cleaning of clothes difficult. Question 18 What change will you observe if you Ch 4 Of Maths Class 10 10 Ch 4 Of Maths Class 10 10 test soap with litmus paper red and blue? Solution: Soap is the salt of a strong base NaOH and a weak acid carboxylic acid , so a solution of soap in water is basic in nature.

Being basic, a soap solution turns red litmus paper blue. Question 19 What is hydrogenation? Solution: It is a class of chemical reactions in which the net result is addition of hydrogen H 2 to unsaturated organic compounds such as alkenes, alkynes, etc. Hydrogenation is widely Ch 4 Of Maths Class 10 10 Ch Maths Class Of 10 4 10 applied to the processing of vegetable oils and fats. Complete hydrogenation converts unsaturated fatty acids to saturated ones. From the above hydrocarbons C 2 H 2 is an alkyne, whereas C 3 H 6 is an alkene.

So, C 3 H 6 and C 2 H 2 will undergo addition reactions. Question 21 Give Class Ch Of Maths 4 10 10 Ch 4 Of Maths Class 10 10 a test that can be used to differentiate chemically between butter and cooking oil. Solution: Bromine water test can be used to differentiate chemically between butter and 10 10 Ch 4 Class Maths Of cooking oil. Add bromine water to a little of cooking oil and butter taken in separate test tubes. Decolourising of bromine water by cooking oil unsaturated compound Ch 4 Of Maths Class 10 10 b.

Butter saturated compound does not decolourise bromine water. Question 22 Explain the mechanism of the cleaning action of soaps. Solution: We all know that soap is used Ch 4 Of Maths Class 10 10 Ch 4 Of Maths Class 10 10 to remove dirt and and grime from substances. Generally dirt and grime get stuck because they have an oily component, which is difficult to remove, by plain brushing or washing by water. A soap molecule has two parts, a head and a tail i. A soap molecule has a tadpole like structure shown below.Ch 4 Of Maths Class 10 10

The organic part is water insoluble but is soluble in organic solvents or in oil or grease. The ionic part is soluble in water, as water is a polar solvent. When soap is added to water in which dirty clothes are soaked, the two parts of the soap molecule dissolve in two different mediums. When Ch 4 Of Maths Class 110 10 Of 4 Class Ch Maths 0 10 the clothes are rinsed or agitated, the dirt gets pulled out of the clothes, by the soap molecule.

In this way soap does its cleaning work on dirty and grimy clothes or hands. The micelle pulls out the dirt and grime more efficiently. Question 23 Would you be able to check if water 10 Class Maths 10 4 Of Ch is hard by using a detergent?

Solution: We would not be able to check whether a sample of water is hard by using a detergent, this is Ch 4 Of Maths Class 10 10 because a detergent forms lather easily even with hard water. Question 24 People use a variety of methods to wash clothes. Solution: It is necessary to shake to get clean clothes because the soap micelles, which entrap oily or greasy particles on the surface of dirty clothes, have to be removed from their surface.

When the clothes which are wet by soap solution are beaten, the micelles containing oil or greasy dirt particles get removed from the surface of dirty clothes and go into water and the dirty cloth gets cleaned.

Question 1. Buckminster fullerene is an allotropic form of [NCERT Exemplar] a phosphorus b sulphur c carbon Ch 4 Of Maths Class 10 10 d tin Answer: c Buckminster fullerene is an allotrope of carbon containing clusters of 60 carbon atoms joined together to form spherical molecules. Its formula isC 60 C-sixty. It is a dark solid at room temperature and as compared to another allotropic form of carbon diamond and graphite , it is neither very hard nor Ch 4 Of Maths Class 10 10 soft. Question 2.

Question 3. In which of the following. Question 4. The long hydrocarbon chain is hydrophobic water repelling and ionic portion is hydrophilic water attracting. Question 5. Its formula is C 6 H 6. In structure b formula is C 6 H In structure a double bond is not at alternate position.

Question Ch 4 Of Maths Class 10 10 6. Which of the following is not a straight chain hydrocarbon? Rest three are straight chain hydrocarbons. Question 7. Which among the following are unsaturated hydrocarbons? Both ii and iv structures have triple and double carbon-carbon bonds respectively. Question 8. Chlorine reacts with saturated hydrocarbons at room temperature in the [NCERT Exemplar] a absence Ch 4 Of Maths Class 10 10 Ch 4 Of Maths Class 10 10 of sunlight b presence of sunlight c presence of water d presence of hydrochloric acid Answer: b Chlorine reacts with saturated hydrocarbon at room temperature in the Ch 4 Of Maths Class 10 10 presence of sunlight.

Question 9. In the above given reaction, alk. Question Butanone is a four carbon compound with functional group [NCERT Exemplar] a carboxylic acid b Ch 4 Of Maths Class 10 10 aldehyde c ketone d alcohol Answer: c In butanone, the functional group is. Which of the following does not belong to the same homologous series? Thus, C Ch 4 Of Maths Class 10 10 4 H 10 is the next member of this series. So, C 4 H 8 does not belong to the homologous series.

Which of the following are Ch 4 Of Maths Class 10 10 Ch 4 Of Maths Class 10 10 correct structural isomers of butane? Since, molecular formula is same, only structures are different. So, i and iii are isomers while structures ii and iv have molecular Ch 4 Of Maths Class 10 10 formulaC 4 H 8. In a soap micelle, the soap molecules are arranged readily with hydrocarbon ends directed towards the centre and ionic ends directed outwards. Oils Ch 4 Of Maths Class 10 10 Ch 4 Of Maths Class 10 10 on treating with hydrogen in the presence of palladium or nickel catalyst form fats.

This is an example of [NCERT Exemplar] a addition reaction b substitution reaction Ch 4 Of Maths Class 10 10 c displacement reaction d oxidation reaction Answer: a Oils are unsaturated compounds containing double bonds. Addition reactions are characteristic property of unsaturated hydrocarbons. The given reaction is an example of addition reaction. Carbon forms four covalent bonds by sharing its four valence electrons with four univalent atoms, e. Atomic number of Ne is Its Ch 4 Of Maths Class 10 10 Ch 4 Of Maths Class 10 10 Ch 4 Of Maths Class 10 10 electronic K L configuration is 2,8. Therefore, after the formation of four bonds, carbon attains the electronic configuration of neon.

Mineral acids are stronger acids than Ch 4 Of Maths Class 10 10 Ch 4 Of Maths Class 10 10 carboxylic acids because i mineral acids are completely ionised. While cooking, if the bottom of the vessel is getting blackened on the outside, it means that [NCERT Ch 4 Of Maths Class 10 10 4 10 Class Of Ch 10 Maths Exemplar] a food is not cooked completely b the fuel is not burning completely c fuel is wet d fuel is burning completely Answer: b The unburnt particles Ch 4 Of Maths Class 10 10 Of Class 4 Maths Ch 10 10 of the fuel present in smoke blacken the vessel from outside. The reaction in which a reagent partially or completely replaces atom or group of atoms from saturated compounds or A are called B reaction.

Here, A and B respectively refers to a unsaturated compounds, addition b unsaturated compounds, substitution c benzene, substitution d Ch 4 Of Maths Class 10 10 Ch 4 Of Maths Class 10 10 alkene, addition Answer: c Substitution reaction is usually given by saturated compounds and benzene.

Unsaturated compounds usually give addition reactions. Which structure do the ester compounds in Ch 4 Of Maths Class 10 10 the table have in common? Answer: d All esters have the common structure of carboxylic group represented by the suffix date. Carbon is an important constituent of the foods, fuels, household and commercial articles, textile fabrics, perfumes, explosives, dyes, war gases etc. Allotropes of Carbon An element, in different forms, having different physical properties Ch 4 Of Maths Class 10 10 Ch 4 Of Maths Class 10 10 Ch 4 Of Maths Class 10 10 but similar chemical properties is known as allotropes of that element.

Carbon has three well known allotropes which are graphite, diamond and buck minster fullerene. Fullerene: This is another class of carbon allotropes. The first one to be identified was C which has carbon atoms arranged in the shape of a football. Since this Ch 4 Of Maths Class 10 10 looked like the geodesic dome designed by the US architect Buckminster Fuller, the molecule was named fullerene. Unsaturated hydrocarbons: Compounds consist of a single, double or triple Ch 4 Of Maths Class 10 10 Ch 4 Of Maths Class 10 10 bond between carbon-carbon atoms.

Cycloalkanes: These hydrocarbons possess one or multiple carbon rings. The hydrogen atom is attached to the carbon ring. Aromatic hydrocarbons: These are also Ch 4 Of Maths Class 10 10 called as arenes. Arenes are compounds which consist of at least one aromatic ring.

Soaps: Ch 10 Maths Class 10 Pdf 88 Ester of higher fatty acids is called soap. It is manufactured by the reaction of caster of higher fatty acid with sodium hydroxide.

The sodium salt so formed has cleansing property. Detergents: Soap cannot form lather in hard water. To Ch 4 Of Maths Class 10 10 overcome this problem, detergents were introduced. Detergent is also known as soapless soap. Detergent is sodium salt of benzene sulphonic acid or sodium salt of long Ch 4 Of Maths Class 10 10 chain alkyl hydrogen sulphate. Oxidation Reactions: Though combustion is generally an oxidation reaction, not all oxidation reactions are combustion reactions. Oxidation is also carried out by using Ch 4 Of Maths Class 10 10 oxidizing agents Oxidants.

Addition reactions: Unsaturated organic compounds, like alkenes and alkynes, undergo addition reactions to become saturated in nature. Substitution reactions are single displacement reactions. If you Ch 4 Of Maths Class 10 10 have any query regarding this article or NCERT Solutions for Class 10 Science, leave your comments in the comment section below and we will get back to you as soon possible. Answer: Question 2 What would be electron dot structure of sulphur which is made up of eight atoms of sulphur.

Answer: Page Number: Ch 4 Of Maths Class 10 10 Ch Of Maths 10 4 Class 10 68 � 69 Question 1 How many structural isomers can you draw for pentane? Answer: i Bromoethane ii Methanal iii 1 � Hexyne Page Number: 71 Question Ch 4 Of Maths Class 10 10 1 Why is the conversion of ethanol to ethanoic acid an oxidation reaction?

Page Number: 74 Question 1 How would you distinguish experimentally between an alcohol and Ch 4 Of Maths Class 10 10 a carboxylic acid? Answer: Differences between alcohol and carboxylic acid Test Alcohol Carboxylic acid i Litmus test No change in colour.

Blue litmus solution turns red. Does Ch 4 Of Maths Class 10 10 not happen so. Page Number: 76 Question 1 Would you be able to check if water is hard by using a detergent? Answer: Question 6 What is Ch 4 Of Maths Class 10 10 10 Ch Maths Class 10 Of 4 a homologous series? Cooking oil decolourises bromine water showing that it is an unsaturated compound. Butter does not decolourise bromine water showing that it is a saturated compound.

Solution: Question 2 What would be the electron dot structure of a molecule of sulphur, which is made up of eight atoms of sulphur? Solution: Question Ch 4 Of Maths Class 10 10 Ch 4 Of Maths Class 10 10 6 Draw the structures for the following compounds. Hexanal Solution: Question 7 How would you name the following compounds?

Hexyne Question 8 Why is the conversion of Ch 4 Of Maths Class 10 10 ethanol to Ethanoic acid an oxidation reaction? Question 12 Draw the electron dot structures for- Solution: Question 13 What is a homologous series?

Butter saturated compound does not decolourise bromine water Question 22 Explain the mechanism of the cleaning action of soaps. Butanone is a four carbon compound with functional group [NCERT Exemplar] a Ch 4 Of Maths Class 10 10 carboxylic acid b aldehyde c ketone d alcohol Answer: c In butanone, the functional group is Question The table gives information about some esters and the fragrance they produce. Graphite: In graphite, each carbon atom is bonded to three other carbon atoms in the same plane giving a hexagonal array.

One of these bonds is a double-bond, and thus the valency of carbon is satisfied. Graphite structure is formed by the hexagonal arrays being placed in layers one above the other.

Unlike Ch 4 Of Maths Class 10 10 Ch 4 Of Maths Class 10 10 other non-metals graphite is a very good conductor of electricity. Diamond: In diamond, each carbon atom is bonded to four other carbon atoms forming a rigid three-dimensional 4 Of Maths Class Ch 10 10 Ch 4 Of Maths Class 10 10 structure. Diamond is the hardest substance known while graphite is smooth and slippery. Diamonds can be synthesized by subjecting pure carbon to very high pressure and temperature.Ch 4 Of Maths Class 10 10

These synthetic diamonds are small but are otherwise indistinguishable from natural diamonds. Carbon shares its four valence electrons with other atoms of carbon or with atoms of other elements. These electrons contributed by the atoms, for mutual sharing in order to acquire the stable noble gas configuration is called covalencv of that atom.

Hence, carbon shows tetracovalency. The simplest molecule formed by sharing of electrons i. Versatile Nature of Carbon Catenation: It is the unique property of self linkage of carbon Ch 4 Of Maths Class 10 10 atoms by means of covalent bonds to form straight chains, or branched chains, or the rings of different sizes.

Chapter 13 - Surface Areas and Volumes. Chapter 14 - Statistics. Chapter 15 - Probability. Class 10 is an important level for your academic excellence. This is the first time you will experience CBSE board Of Ch Class 10 Maths 4 10 Ch 4 Of Maths Class 10 10 Of 10 4 10 Ch Maths Class Ch 4 Of Maths Class 10 10 exams held nationwide. Your performance will be determined by the depth of your knowledge and your answering skills. The exercises in the Class 10 Maths Chapter 2 Of Ch Maths 10 10 4 Class Ch 4 Of Maths Class 10 10 have questions related to the new concepts you will learn.

These questions in Chapter 2 Maths Class 10 have been designed to deliver a platform to judge Ch 4 Of Maths Class 10 10 your problem-solving skills. You will need the best Maths Class 10 Chapter 2 Solutions for understanding the various approaches to solve the problems and prepare the chapter Ch 4 Of Maths Class 10 10 Ch 4 Of Maths Class 10 10 well.

If you study Chapter 2 Class 10 Maths, you will discover concepts related to the geometrical meanings of polynomials. These simple answers to the exercise questions Ch 4 Of Maths Class 10 10 10 Ch Of Maths Class 10 4 have been formatted by the experienced teachers. They know where students generally feel confused. They aim to solve the general queries that arise in the minds of Class 10 students in the NCERT Solution Class 10 Maths Chapter 2 in such a way that the complex concepts become easily comprehensible.

The Polynomials Class 10 Ch 4 Of Maths Class 10 10 Ch 4 Of Maths Class 10 10 Ch 4 Of Maths Class 10 10 Ch 4 Of Maths Class 10 10 Ch 4 Of Maths Class 10 10 Solutions have been designed to deliver the following benefits to the students. You can rely on the quality of the answers in Class 10 Maths Ch 2 Solutions.

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