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

MEDIUM

10th CBSE

IMPORTANT

Earn 100

Identify the number of replaceable hydrogen ions ( $H^{+}$ ) in the following acids:

$HCl, {CH}_{3} COOH, H_{2} {SO}_{4}, H_{3} {PO}_{4}$

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 2

Define the term acid. What are the characteristic properties of acid?

MEDIUM

10th CBSE

IMPORTANT

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

What happens when zinc metal reacts with hydrochloric acid?

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)

{HNO}_{3}

(d)

C_{2} H_{5} COOH

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}