NCERT Solutions For Class 10 Science Chapter 2: Acids, Bases and Salts (PDF Download)
Download Class 10 Chemistry Notes for all chapters, NCERT Solutions, Important questions and answers for exams and Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart latest syllabus, access study material for chemistry, students can free download in pdf. All study material has been prepared based on latest guidelines, term examination pattern and blueprint issued by CBSE and NCERT. Click below for Class 10 Chemistry worksheets, assignments, syllabus, ncert cbse books, ncert solutions, multiple choice questions (mcqs), easy to learn concepts and study notes of all chapters, online tests, value based questions (vbqs), sample papers and last year. Class 10 Science NCERT Solutions of Chapter 4 is about Carbon Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart which is versatile element found in many organic and inorganic compounds. The reason of this is its tetravalency and catenation which has been discussed. Carbon form bond by sharing its electrons with other elements. Such bond formations of elements formed by sharing of electron is called covalent- bond formation. Covalent Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart Bond formation is explained for other covalent bond formed compounds such as in oxygen gas, nitrogen gas, and covalent formed compounds. Compound formation is explained in both electron-dot/Lewis-dot structure and. NCERT Class Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart 10 Science Solutions for Chapter 2. In Text Questions. Page No: 1. You have been provided Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart with three test tubes. One of them contains distilled water and the other two contain an acidic Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart solution and a basic solution, respectively. If you are given only red litmus paper, how will you identify the contents of each test tube? Answer.� 3. Name the sodium compound Ncert Solutions Class 10th Maths Chapter 6 Day which is used for softening hard water. > Washing soda (Na2COH2O). 4. What will happen if a Ncert Solutions Of Class 10th Chemistry Chapter 2 2020 solution 2 Quart Class Chapter Solutions Ncert 10th Of Chemistry of sodium hydrocarbonate is heated? Give the equation of the reaction involved. Answer. When sodium hydrogen Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart carbonate is heated then sodium carbonate and water is formed along with the evolution of carbon dioxide gas. 5. Write an equation to show the reaction between Plaster of Paris and water.
Calculate the mass percentage of benzene C 6 H 6 and carbon tetrachloride CCl 4 if 22 g of benzene is dissolved in g of carbon tetrachloride. Ans: 0. Ans: Step I. Step II. Calculation of molarity of solution Step III. Calculation of mole fraction of Kl. H 2 S, a toxic gas with rotten egg like smell, is used for the qualitative analysis. Calculate the quantity of CO 2 in mL of soda water when packed under 2. Calculate the composition of Chapter Chemistry Class Solutions Ncert Of 2 10th Quart the liquid mixture if total vapour pressure is mm of Hg.
Also find the composition in the vapour phase. Vapour pressure of pure water at K is Calculate the vapour pressure of water for this solution and its relative lowering. Boiling point of water at mm Hg is Calculate the osmotic pressure in pascals exerted by a solution prepared by dissolving 1. Define the terra solution. How Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart many types of solutions are formed? Write briefly about each type with an example. Sol: Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart A solution is a homogeneous mixture of two or more chemically non-reacting substances.
Types of solutions: There are nine types of solutions. Liquid solutions a Gas in liquid C02 dissolved in water aerated Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart water , and 02 dissolved in water, etc. Solid solutions a Gas in solid Solution of hydrogen in Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart palladium b Liquid in solid Amalgams, e. Suppose a solid solution is formed between two substances, one whose particles are very large and the other whose particles are very small. What type of solid solution is this likely to be? Sol: The solution likely to be formed is interstitial solid solution.
If A is the number of moles of solute dissolved in B moles of solvent, then Mole fraction of solute ii Molality: It is defined as die number of moles of Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart a solute present in g 1kg of a solvent.
NOTE: Molality is considered better way of Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart expressing concentration of solutions, as compared to molarity because molality does not change with change in temperature Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart since the mass of solvent does not vary with temperature, iii Molarity: It is defined as the number of moles of solute present in one litre of solution.
NOTE: Molarity is the most common way of expressing concentration of a solution in laboratory. However, it has one disadvantage. It Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart changes with temperature because volume of a solution alters due to expansion and contraction of the liquid with temperature. If the density of solution is 1. How many mL of 0. Sol: Calculation Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart of no. An antifreeze solution is prepared from Calculate the molality of the solution.
If the density of the solution is 1. A sample of drinking water was found to be severely contaminated with chloroform CHCl 3 , supposed to be a carcinogen. The level of contamination was 15 ppm by mass. Sol: 15 ppm means 15 parts in million 10 6 by mass in the solution. What role does the molecular interaction play in solution of alcohol in water? Sol: In case of alcohol as well as water, the molecules are interlinked by intermolecular hydrogen bonding.
However, the hydrogen bonding is also present in the molecules of alcohol and water in the solution but it Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart is comparatively less than both alcohol and water. This will lead to increase in vapour pressure Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart of the solution and also decrease in its boiling point. Why do gases always tend to be Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart less soluble in liquids as the temperature is raised? Sol: When gases are dissolved in water, it is accompanied by a release of heat energy, i. If the bottle is opened by removing the stopper or seal, the pressure on the surface of the gas will suddenly decrease.
This Class 10th Chapter Chemistry Of Quart Ncert Solutions 2 will cause a decrease in the solubility of the gas in the liquid i. As a result, it will rush out of the bottle producing a hissing noise or with a fiz. In tissues, the partial pressure of oxygen is comparatively low. Therefore, oxyhaemoglobin releases oxygen in order to carry out cellular activities.
The partial pressure of ethane over a solution containing 6. If the solution contains 5. So there is expansion in volume on solution formation. So weaker interactions are replaced by stronger interactions so , there is release of energy i. What is the molecular mass of the Solutions Of Quart 10th Ncert Class 2 Chemistry Chapter Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart solute? At K, the vapour pressures of the two liquid components are What will be the vapour pressure of a mixture of The vapour pressure of water is Calculate vapour pressure of 1 molal solution of a non-volatile solute in it Sol: 1 molal solution of solute means 1 Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart mole of solute in g of the solvent.
A solution containing 30g of non-volatile solute exactly Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart in 90 g of water has a vapour pressure of 2. Further, 18g of water is then Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart Chemistry Solutions Chapter Of 2 10th Class Ncert Quart added to the solution and the new of vapour pressure becomes 2. Calculate i molar mass of the solute. When dissolved in 20g of benzene C 6 H 6 , 1 g of AB 2 lowers the freezing point by 2. The molar depression constant for benzene is 5. Calculate atomic masses of A and B. Suggest the most important type of intermolecular attractive interaction in Solutions 2 Ncert Chapter 10th Class Quart Of Chemistry Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart the following pairs: i n-hexane and n-octane ii I 2 and CCl 4.
Thus, the intermolecular interactions will be London dispersion forces. Water is a polar molecule. Thus, the intermolecular interactions will be ion-dipole interactions. Thus, intermolecular interactions will be dipole-dipole interactions. Based on solute solvent interactions, arrange the following in order of increasing solubility in n-octane and explain. Sol: n-octane C 8 H 18 is Of 10th 2 Solutions Quart Chapter Ncert Class Chemistry a non-polar liquid and solubility is governed by the principle that like dissolve like.
Amongst the following compounds, identify which are insoluble, partially soluble and highly soluble in water? Outside Delhi Sol:. If the solubility product of CuS is 6 x 10 , calculate the maximum molarity of CuS in aqueous solution. Nalorphene C 19 H 21 NO 3 , similar to morphine, is used to combat withdrawal symptoms in narcotic users. Dose of nalorphene generally given is 1. Calculate the mass of 1. The depression in freezing point of water observed for the same amount of acetic acid, trichloroacetic acid Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart and trifluoroacetic acid increases in the order given above.
Explain briefly. Solution: Fluorine being more electronegative than chlorine has the highest electron withdrawing inductive effect. Thus, triflouroacetic acid is the strongest trichloroacetic acid is second most and acetic acid is the weakest acid due to absence of any electron withdrawing group. Greater the extent of ionization greater is the depression in freezing point.
The depression Of Quart Class 10th Ncert 2 Chemistry Chapter Solutions in the freezing point of water observed is 1. Calculate the vapour pressure of water at K Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart when 25 g of glucose is dissolved in g of water. Calculate the solubility of methane Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart in benzene at K under mm Hg. The vapour pressure of pure liquid B was found to be torr. Calculate the vapour pressure of pure liquid A and its vapour pressure in the solution if the total vapour pressure of the solution is torr.
Vapour pressures of pure acetone and chloroform at K are The experimental data observed for different compositions of mixtures is: Plot this Ncert Solutions Of Class 10th Chemistry Chapter 2 Quart Solutions 10th Of Quart 2 Class Chemistry Chapter Ncert data also on the same graph paper. Indicate whether it has positive deviation or negative deviation from the ideal solution. Benzene and toluene form ideal solution over the entire range of composition. The vapour pressure of pure benzene and toluene at K are Calculate the mole fraction of benzene Chapter 10th Chemistry Class Solutions Quart Ncert Of 2 in vapour phase if 80g of benzene is mixed with g of toluene.
The air is a mixture of a number of Ncert Solutions Class 10th Chemistry Chapter 4 Java gases. The water is in equilibrium with air at a pressure 2 Of Quart Solutions 10th Ncert Chemistry Class Chapter of 10 atm. Ans: 2. Calculation of mole fraction of Kl 2. Sol: 2. Outside Delhi Sol: 2.
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