MEDIUM
7th CBSE
IMPORTANT
Earn 100

Name the kind of change in rusting of iron.

Important Questions on Changes Around Us

MEDIUM
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 9 - Changes Around Us>EXERCISES>Q III
Name the method which can prevent rusting.
MEDIUM
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 9 - Changes Around Us>EXERCISES>Q III
In which change heat is absorbed or given out? 
EASY
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 9 - Changes Around Us>EXERCISES>Q III
What is the chemical symbol for iron ? 
MEDIUM
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 9 - Changes Around Us>EXERCISES>Q IV
Differentiate between a physical change and a chemical change with examples. 
MEDIUM
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 9 - Changes Around Us>EXERCISES>Q IV
Describe any four uses of chemical changes.
EASY
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 9 - Changes Around Us>EXERCISES>Q IV
What is rusting? 
EASY
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 9 - Changes Around Us>EXERCISES>Q IV
What is an alloy? Give two examples.
MEDIUM
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 9 - Changes Around Us>EXERCISES>Q IV
What conditions are required for iron to rust ?