Write the balanced equation for the following chemical reactions:

Hydrogen $+$ Chlorine $\to$ Hydrogen chloride

Important Questions on Chemical Reactions and Equations

EASY

10th CBSE

IMPORTANT

SCIENCE CHEMISTRY Part-II>Chapter 1 - Chemical Reactions and Equations>Summative Assessment>Q 10

Write the balanced equation for the following chemical reactions:

Barium chloride $+$ Aluminium sulphate $\to$ Barium sulphate $+$ Aluminium chloride

EASY

10th CBSE

IMPORTANT

SCIENCE CHEMISTRY Part-II>Chapter 1 - Chemical Reactions and Equations>Summative Assessment>Q 10

Write the balanced equation for the following chemical reaction:
Sodium

+

water

\to

Sodium hydroxide

+

Hydrogen.

HARD

10th CBSE

IMPORTANT

SCIENCE CHEMISTRY Part-II>Chapter 1 - Chemical Reactions and Equations>Summative Assessment>Q 11

Magnesium is more reactive than copper or iron but iron is more reactive than copper
A solution of magnesium sulphate is put into copper pot.
A solution of copper sulphate is put into iron pot
A solution of magnesium sulphate is put into iron pot
Which of the above pots will get damaged? Why? What is this reaction called?

EASY

10th CBSE

IMPORTANT

SCIENCE CHEMISTRY Part-II>Chapter 1 - Chemical Reactions and Equations>Summative Assessment>Q 12

Why do we apply paint on iron articles?

EASY

10th CBSE

IMPORTANT

SCIENCE CHEMISTRY Part-II>Chapter 1 - Chemical Reactions and Equations>Summative Assessment>Q 13

Oil and fat containing food items are often flushed with a gas. Which is this gas and why are they flushed ?

EASY

10th CBSE