HARD
7th ICSE
IMPORTANT
Earn 100

Answer the following question based on the given Venn diagram.

Question Image 

Which of the following could be A?

A. Rusting of an iron vessel

B. Cutting of wood

C. Boiling of water

D. Rotting of fruits

Select the correct answer:

50% studentsanswered this correctly

Important Questions on Physical and Chemical Changes

HARD
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 2 - Physical and Chemical Changes>EXERCISES>Q 9

Which type of change is exhibited by the following reaction:

Iron + Oxygen + Moisture→Rust

HARD
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 2 - Physical and Chemical Changes>EXERCISES>Q 10
Which of the following chemical changes is a useful change?
MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 2 - Physical and Chemical Changes>EXERCISES>Q 11
Which change is easily reversible?
HARD
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 2 - Physical and Chemical Changes>EXERCISES>Q 12
Which metal is deposited on the iron surface in galvanisation process?
MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 2 - Physical and Chemical Changes>EXERCISES>Q 1
Cutting a log of wood into pieces is a chemical change.
MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 2 - Physical and Chemical Changes>EXERCISES>Q 2
The formation of manure from leaves is a physical change.
MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 2 - Physical and Chemical Changes>EXERCISES>Q 3
Condensation of steam is not a chemical change.
HARD
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 2 - Physical and Chemical Changes>EXERCISES>Q 4
Iron and rust are the same substance.