EASY
7th ICSE
IMPORTANT
Earn 100

Define the term effervescence.

Important Questions on The Language of Chemistry

EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 5 - The Language of Chemistry>CHECKPOINT>Q 2
Define the term exothermic reaction.
EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 5 - The Language of Chemistry>CHECKPOINT>Q 3
Define the term endothermic reaction.
EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 5 - The Language of Chemistry>CHECKPOINT>Q 4
Define the term catalyst.
EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 5 - The Language of Chemistry>CHECKPOINT>Q 1

Give reason for the following sentence:

Iron powder is used in the production of ammonia.

EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 5 - The Language of Chemistry>CHECKPOINT>Q 2

Give reason for the following:

Iron and sulphur are heated to produce a compound.

EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 5 - The Language of Chemistry>CHECKPOINT>Q 3

Give reason for the following sentence:

Chlorophyll is necessary for photosynthesis.

EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 5 - The Language of Chemistry>CHECKPOINT>Q 4

Give reason for the following sentence:

A foul smell is produced when iron sulphide reacts with hydrochloric acid.

MEDIUM
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 5 - The Language of Chemistry>CHECKPOINT>Q 1
What are the two ways of representing a chemical reaction using equations?