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7th CBSE
IMPORTANT
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Turning milk into curd is 

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Important Questions on Changes Around Us

EASY
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 9 - Changes Around Us>EXERCISES>Q I
One of the following is not a physical property of a substance.
MEDIUM
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 9 - Changes Around Us>EXERCISES>Q I
The new substance formed by mixing metals and non-metals is called a/an
EASY
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 9 - Changes Around Us>EXERCISES>Q I
Which one of the following is a chemical reaction?
EASY
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 9 - Changes Around Us>EXERCISES>Q I
Which of the following is a physical change?
MEDIUM
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 9 - Changes Around Us>EXERCISES>Q I
Which of the following is a chemical change?
MEDIUM
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 9 - Changes Around Us>EXERCISES>Q I
Rust is formed when iron reacts with water and 
MEDIUM
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 9 - Changes Around Us>EXERCISES>Q I
Iron is usually galvanized with 
EASY
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 9 - Changes Around Us>EXERCISES>Q I
Common salt from the sea is obtained through the process of