What are antacids?

Important Questions on Acids, Bases and Salts

MEDIUM

10th CBSE

IMPORTANT

SCIENCE CHEMISTRY Part-II>Chapter 2 - Acids, Bases and Salts>Paper-Pen Test>Q 12

What is a neutralization reaction? Give two examples.

MEDIUM

10th CBSE

IMPORTANT

SCIENCE CHEMISTRY Part-II>Chapter 2 - Acids, Bases and Salts>Paper-Pen Test>Q 13

Metallic oxides are said to be basic oxides whereas non-metallic oxides are called acidic oxides. Explain with examples.

MEDIUM

10th CBSE

IMPORTANT

SCIENCE CHEMISTRY Part-II>Chapter 2 - Acids, Bases and Salts>Paper-Pen Test>Q 14

What is water of crystallization? Give two examples.

MEDIUM

10th CBSE

IMPORTANT

SCIENCE CHEMISTRY Part-II>Chapter 2 - Acids, Bases and Salts>Paper-Pen Test>Q 15

What will happen if ${\mathrm{CO}}_2$ is passed through lime water first in small amount and then in excess.

MEDIUM

10th CBSE

IMPORTANT

SCIENCE CHEMISTRY Part-II>Chapter 2 - Acids, Bases and Salts>Summative Assessment>Q 1

When a pH paper is dipped in a solution, the colour of the pH paper changes to deep red. What will be the possible pH of the solution?

MEDIUM

10th CBSE

IMPORTANT

SCIENCE CHEMISTRY Part-II>Chapter 2 - Acids, Bases and Salts>Summative Assessment>Q 2

Which of the following gives the correct increasing order of acid strength?

EASY

10th CBSE

IMPORTANT

SCIENCE CHEMISTRY Part-II>Chapter 2 - Acids, Bases and Salts>Summative Assessment>Q 3

The pH of gastric juice released during digestion is

MEDIUM

10th CBSE

IMPORTANT

SCIENCE CHEMISTRY Part-II>Chapter 2 - Acids, Bases and Salts>Summative Assessment>Q 4

Equal lengths of magnesium ribbons are taken in test tubes A and B. Hydrochloric acid $\left(\mathrm{HCl}\right)$ is added to test tube A while acetic acid $\left({\mathrm{CH}}_3\mathrm{COOH}\right)$ is added to test tube B. In which case fizzing occurs more vigorously and why.