EASY
7th ICSE
IMPORTANT
Earn 100

Give a balanced equation for the reaction of hydrogen and oxygen to form water.

Important Questions on The Language of Chemistry

MEDIUM
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 5 - The Language of Chemistry>CHECKPOINT>Q 4
Write the chemical equation showing the reaction of nitrogen and hydrogen.
EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 5 - The Language of Chemistry>CHECKPOINT>Q 5

Explain what happens when sodium is added to water.

EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 5 - The Language of Chemistry>CHECKPOINT>Q 5
Explain what happens when potassium iodide is added to lead nitrate.
EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 5 - The Language of Chemistry>CHECKPOINT>Q 5
Explain what happens when ammonium chloride is heated.
EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 5 - The Language of Chemistry>CHECKPOINT>Q 5
Explain what happens when iron sulphide is heated with dilute hydrochloric acid.
HARD
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 5 - The Language of Chemistry>CHECKPOINT>Q 1
Explain the steps for writing a chemical eqaution.
HARD
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 5 - The Language of Chemistry>CHECKPOINT>Q 2
Give an example of a reaction in which the change in colour is observed. Also, write the word and chemical equation for it.
HARD
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 5 - The Language of Chemistry>CHECKPOINT>Q 2

Give an example of a reaction in which formation of a precipitate is observed. Also, write the word and chemical equation for it.