HARD
7th CBSE
IMPORTANT
Earn 100

What changes take place when quicklime is placed in water?

Important Questions on Physical and Chemical Changes

MEDIUM
7th CBSE
IMPORTANT
S. Chand's SCIENCE For Class VII>Chapter 6 - Physical and Chemical Changes>EXERCISES>Q V
What causes browning of the exposed cut surface of a brinjal? 
EASY
7th CBSE
IMPORTANT
S. Chand's SCIENCE For Class VII>Chapter 6 - Physical and Chemical Changes>EXERCISES>Q V
What kind of change is the browning of a cut brinjal?
MEDIUM
7th CBSE
IMPORTANT
S. Chand's SCIENCE For Class VII>Chapter 6 - Physical and Chemical Changes>EXERCISES>Q V
How do we get crystals of salt back from a saturated solution of salt?
EASY
7th CBSE
IMPORTANT
S. Chand's SCIENCE For Class VII>Chapter 6 - Physical and Chemical Changes>EXERCISES>Q V
Name the type of change taking place in the following: melting of wax.
EASY
7th CBSE
IMPORTANT
S. Chand's SCIENCE For Class VII>Chapter 6 - Physical and Chemical Changes>EXERCISES>Q V
Name the type of changes taking place in the following: burning of wax candle.
EASY
7th CBSE
IMPORTANT
S. Chand's SCIENCE For Class VII>Chapter 6 - Physical and Chemical Changes>EXERCISES>Q V
Name the type of change taking place in the following: digestion of food in food canal. 
 
EASY
7th CBSE
IMPORTANT
S. Chand's SCIENCE For Class VII>Chapter 6 - Physical and Chemical Changes>EXERCISES>Q V
Name the type of change taking place in the following: photosynthesis taking place in green leaves. (chemical/physical)
EASY
7th CBSE
IMPORTANT
S. Chand's SCIENCE For Class VII>Chapter 6 - Physical and Chemical Changes>EXERCISES>Q V
Name the type of change taking place in the following: burning a thin strip of magnesium.(physical/chemical)