Aluminium metal reacts with sulphuric acid to form

Important Questions on Chemical Changes and Reactions

EASY

9th ICSE

IMPORTANT

All In One ICSE Chemistry>Chapter 2 - Chemical Changes and Reactions>CHAPTER EXERCISE>Q 9

When dilute hydrochloric acid is added to zinc pieces taken in a test tube.

EASY

9th ICSE

IMPORTANT

All In One ICSE Chemistry>Chapter 2 - Chemical Changes and Reactions>CHAPTER EXERCISE>Q 10

In an endothermic reaction

EASY

9th ICSE

IMPORTANT

All In One ICSE Chemistry>Chapter 2 - Chemical Changes and Reactions>CHAPTER EXERCISE>Q 11

Magnesium burns in the environment of 

EASY

9th ICSE

IMPORTANT

All In One ICSE Chemistry>Chapter 2 - Chemical Changes and Reactions>CHAPTER EXERCISE>Q 12

Name the required conditions for a faster reaction to produce ammonia gas.

EASY

9th ICSE

IMPORTANT

All In One ICSE Chemistry>Chapter 2 - Chemical Changes and Reactions>CHAPTER EXERCISE>Q 13

Which chemical process is used for obtaining a metal from its oxide?

EASY

9th ICSE

IMPORTANT

All In One ICSE Chemistry>Chapter 2 - Chemical Changes and Reactions>CHAPTER EXERCISE>Q 14

What kind of chemical reaction takes place when electric current is passed through fused sodium chloride?

EASY

9th ICSE

IMPORTANT

All In One ICSE Chemistry>Chapter 2 - Chemical Changes and Reactions>CHAPTER EXERCISE>Q 15

Write the chemical equation for a reaction which can be brought out in laboratory with the help of diffused sunlight.

EASY

9th ICSE

IMPORTANT

All In One ICSE Chemistry>Chapter 2 - Chemical Changes and Reactions>CHAPTER EXERCISE>Q 16

Predict the precipitate formed when sodium sulphate (${\mathrm{Na}}_2{\mathrm{SO}}_4$) reacts with barium chloride.