MEDIUM
10th CBSE
IMPORTANT
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What happens when zinc metal reacts with hydrochloric acid?

Important Questions on Acids, Bases and Salts

HARD
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 2 - Acids, Bases and Salts>Check Your Progress>Q 2
A student working in the laboratory added some water to a syrupy liquid taken in a tube. The tube immediately cracked and the liquid which escaped out of it, produced blisters on the skin of the student. What actually happened?
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 2 - Acids, Bases and Salts>Check Your Progress>Q 1

Name the substances in which the following acids are present: 

(a) Ethanoic acid.

(b) Tartaric acid.

HARD
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 2 - Acids, Bases and Salts>Check Your Progress>Q 2
Which of these acids would be partially dissociated in their aqueous solution?
(a) HBr 
(b) HCN 
(c) HNO3 
(d) C2H5COOH 
 
MEDIUM
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 2 - Acids, Bases and Salts>Check Your Progress>Q 3
An acid reacts with a substance X with liberation of a gas which burns with a 'pop' sound when a burning match stick is brought near it. What is the nature of X?
MEDIUM
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 2 - Acids, Bases and Salts>Check Your Progress>Q 4
 An acid reacts with a substance Z with the liberation of CO2 gas. What can be the nature of Z?
MEDIUM
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 2 - Acids, Bases and Salts>Check Your Progress>Q 5
Which of the following oxides will react with a base? 
(a) CaO 
(b) SO2
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 2 - Acids, Bases and Salts>Check Your Progress>Q 1
What are strong and weak acids? Give one example of each?
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 2 - Acids, Bases and Salts>Check Your Progress>Q 2
Why acetic acid is called a weak acid though there are 4 H atoms in the molecule?