EASY
7th ICSE
IMPORTANT
Earn 100

Classify the following as physical or chemical change. 

Growing a tomato plant. 

50% studentsanswered this correctly

Important Questions on Physical and Chemical Changes

MEDIUM
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 2 - Physical and Chemical Changes>Stop and Check>Q 2

Classify the given change as natural or human-made (N or H), slow or fast (S or F), desirable or undesirable (D or U) and reversible or irreversible (R or l). (For example, clothes drying is N, S, D, R)

 Lightning striking. 

MEDIUM
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 2 - Physical and Chemical Changes>Stop and Check>Q 4

Classify the given change as natural or human-made (N or H), slow or fast (S or F), desirable or undesirable (D or U) and reversible or irreversible (R or l). (For example, clothes drying is N, S, D, R)

Iron rusting. 

MEDIUM
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 2 - Physical and Chemical Changes>Stop and Check>Q 5

Classify the given change as natural or human-made (N or H), slow or fast (S or F), desirable or undesirable (D or U) and reversible or irreversible (R or l). (For example, clothes drying is N, S, D, R)

Burning fuel.

MEDIUM
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 2 - Physical and Chemical Changes>Stop and Check>Q 6

Classify the given change as natural or human-made (N or H), slow or fast (S or F), desirable or undesirable (D or U) and reversible or irreversible (R or l). (For example, clothes drying is N, S, D, R)

Fruit ripening.

MEDIUM
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 2 - Physical and Chemical Changes>Stop and Check>Q 7

Classify the given change as natural or human-made (N or H), slow or fast (S or F), desirable or undesirable (D or U) and reversible or irreversible (R or l). (For example, clothes drying is N, S, D, R)

Cutting hair.

MEDIUM
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 2 - Physical and Chemical Changes>Stop and Check>Q 8

Classify the given change as natural or human-made (N or H), slow or fast (S or F), desirable or undesirable (D or U) and reversible or irreversible (R or l). (For example, clothes drying is N, S, D, R)

Tearing paper.

EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 2 - Physical and Chemical Changes>CHECKPOINT>Q 4
The evaporation of water is a chemical change. 
MEDIUM
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 2 - Physical and Chemical Changes>CHECKPOINT>Q 6

Why is the reaction of quicklime with water classified as a chemical change?