EXERCISE 2C

Author:V. K. Sally & R. Goel

V. K. Sally Chemistry Solutions for EXERCISE 2C

Simple step-by-step solutions to EXERCISE 2C questions of Acids, Bases And Salts from Core Science Chemistry. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from EXERCISE 2C with Hints & Solutions

MEDIUM
10th CBSE
IMPORTANT

Which one of the following is not a neutral salt?

EASY
10th CBSE
IMPORTANT

Plaster of Paris on mixing with water forms fine crystals of:

HARD
10th CBSE
IMPORTANT

Match the chemical substances given in Column (A) with their appropriate application given in Column (B).

  Column(A)   Column (B)
(a) Bleaching powder (i) Preparation of glass
(b) Baking soda (ii) Production of H2 and Cl2
(c) Washing soda  (iii) Decolourisation
(d) Sodium chloride (iv) Antacid

MEDIUM
10th CBSE
IMPORTANT

In an attempt to demonstrate electrical conductivity through an electrolyte, the following apparatus was set up. Which among the following statement(s) is (are) correct?
(i) Bulb will not glow because electrolyte is not acidic
(ii) Bulb will glow because NaOH is a strong base and furnishes ions for conduction.
(iii) Bulb will not glow because circuit is incomplete
(iv) Bulb will not glow because it depends upon the type of electrolytic solution.
Question Image

EASY
10th CBSE
IMPORTANT

Identify the correct representation of reaction occurring during Chloralkali process.

MEDIUM
10th CBSE
IMPORTANT

For making cake, baking powder is taken. If at home your mother uses baking soda instead of baking powder in cake. How can baking soda be converted into baking powder?

MEDIUM
10th CBSE
IMPORTANT

For making cake, baking powder is taken. If at home your mother uses baking soda instead of baking powder in cake. What is the role of tartaric acid added to baking soda?

HARD
10th CBSE
IMPORTANT

A metal carbonate X on reacting with an acid gives a gas which when passed through a solution Y gives the carbonate back. On the other hand, a gas G that is obtained at the anode during electrolysis of brine when passed on dry Y, gives a compound Z, used for disinfecting drinking water. Identify X, Y, G and Z.