PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 2 - Acids, Bases and Salts>Check Your Progress>Q 2

HARD

10th CBSE

IMPORTANT

Earn 100

Which of these acids would be partially dissociated in their aqueous solution?
(a) $HBr$
(b) $HCN$
(c) ${HNO}_{3}$
(d) $C_{2} H_{5} COOH$

Important Questions on Acids, Bases and Salts

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

{CO}_{2}

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)

{SO}_{2}

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?

MEDIUM

10th CBSE

IMPORTANT

PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 2 - Acids, Bases and Salts>Check Your Progress>Q 3

How does a strong acid differ from a concentrated acid?

MEDIUM

10th CBSE

IMPORTANT

PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 2 - Acids, Bases and Salts>Check Your Progress>Q 4

Name a salt of a strong acid

{HNO}_{3}

and a weak base like

{NH}_{4} OH

. Represent the reaction that takes place.

EASY

10th CBSE

IMPORTANT

PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 2 - Acids, Bases and Salts>Check Your Progress>Q 1

Why does an aqueous solution of acid conduct electricity?