EASY
7th CBSE
IMPORTANT
Earn 100
How do you show that the terms 'hot' and 'cold' are relative?
Important Questions on Semester Test Paper (Chapters 1 to 10)
MEDIUM
7th CBSE
IMPORTANT
What is valency? Give the valencies of magnesium and chlorine.
EASY
7th CBSE
IMPORTANT
Distinguish between phloem and xylem in plants.
HARD
7th CBSE
IMPORTANT
What is a neutralization reaction? Explain with the help of an example.
MEDIUM
7th CBSE
IMPORTANT
Draw a neat, labelled diagram of a thermos flask. Explain how the loss of heat by all three modes of heat transfer is minimised in a thermos flask.
MEDIUM
7th CBSE
IMPORTANT
How does the human body get rid of its wastes? Draw a well-labelled diagram to show the human excretory system
