Concise Chemistry Part 2>Chapter 2 - Acids, Bases and Salts>PAPER - PEN TEST : 3>Q 11

MEDIUM

10th CBSE

IMPORTANT

Earn 100

What do all acids have in common?

Important Questions on Acids, Bases and Salts

EASY

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 2 - Acids, Bases and Salts>PAPER - PEN TEST : 3>Q 12

Though the compounds such as glucose (

C_{6} H_{12} O_{6}

) and alcohol (

C_{2} H_{5} O H

) contain hydrogen, they do not show acidic character. Why?

EASY

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 2 - Acids, Bases and Salts>PAPER - PEN TEST : 3>Q 13

Distilled water does not conduct electricity, but rain water conducts electricity. Why?

HARD

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 2 - Acids, Bases and Salts>PAPER - PEN TEST : 3>Q 14

Why hydrochloric acid shows the acidic properties in aqueous solutions? Explain with an activity.

MEDIUM

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 2 - Acids, Bases and Salts>PAPER - PEN TEST : 3>Q 15

Complete the following equations:

Metallic oxide $+$ _____ $\to$ salt $+$ water

MEDIUM

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 2 - Acids, Bases and Salts>PAPER - PEN TEST : 3>Q 15

_____

+ A c i d \to s a l t + w a t e r

. (Metal oxide/ non-metal oxide)

EASY

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 2 - Acids, Bases and Salts>PAPER - PEN TEST : 4>Q 1

What are bases? Give any two examples.

EASY

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 2 - Acids, Bases and Salts>PAPER - PEN TEST : 4>Q 2

Why metal carbonates and metal hydrogen carbonates are called bases?

MEDIUM

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 2 - Acids, Bases and Salts>PAPER - PEN TEST : 4>Q 3

What do you understand by the term 'alkalis'?