MEDIUM
7th Telangana Board
IMPORTANT
Earn 100

When a candle is burnt, what type of changes take place? Give another example of a similar process.

Important Questions on Changes around Us

HARD
7th Telangana Board
IMPORTANT
Science Class - 7>Chapter 17 - Changes around Us>Improve your learning>Q 4
How is an iron gate prevented from rusting? 
MEDIUM
7th Telangana Board
IMPORTANT
Science Class - 7>Chapter 17 - Changes around Us>Improve your learning>Q 5
Between coastal and dryland areas, where is rusting of iron objects faster? Give reasons. 
MEDIUM
7th Telangana Board
IMPORTANT
Science Class - 7>Chapter 17 - Changes around Us>Improve your learning>Q 6
Classify the changes involved in the following processes as Physical, Chemical or both.
Burning of Coal
MEDIUM
7th Telangana Board
IMPORTANT
Science Class - 7>Chapter 17 - Changes around Us>Improve your learning>Q 6

Classify the changes involved in the following process as Physical, Chemical or both. 

Melting of Wax 

EASY
7th Telangana Board
IMPORTANT
Science Class - 7>Chapter 17 - Changes around Us>Improve your learning>Q 6

Classify the changes involved in the following process as Physical, Chemical or both. 

Beating Aluminium to make Aluminium foil 

MEDIUM
7th Telangana Board
IMPORTANT
Science Class - 7>Chapter 17 - Changes around Us>Improve your learning>Q 6

Classify the changes involved in the following process as Physical, Chemical or both. 

Digestion of food 

EASY
7th Telangana Board
IMPORTANT
Science Class - 7>Chapter 17 - Changes around Us>Improve your learning>Q 6

Classify the changes involved in the following process as Physical, Chemical or both. 

Boiling of Egg 

MEDIUM
7th Telangana Board
IMPORTANT
Science Class - 7>Chapter 17 - Changes around Us>Improve your learning>Q 6

Classify the changes involved in the following process as Physical, Chemical or both. 

Photosynthesis