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 H 2 and Cl 2 (c) Washing soda (iii) Decolourisation (d) Sodium chloride (iv) Antacid

a– (iii), b– (iv), c– (i), d- (ii)

a– (ii), b– (i), c– (iv), d- (iii)

a– (iii), b– (ii), c– (iv), d- (i)

a– (ii), b– (iv), c– (i), d- (iii)

Which of the following phenomena occur, when a small amount of acid is added to water?

Neutralisation and Salt formation

E M B I B E

Core Science Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE 2C>Q 2

EASY

10th CBSE

IMPORTANT

Earn 100

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

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Important Questions on Acids, Bases And Salts

HARD

10th CBSE

IMPORTANT

Core Science Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE 2C>Q 3

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

Core Science Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE 2C>Q 4

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.
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