Can you give some tough questions to ask for a class 7 ncert science student??
The chapters from which you can ask is ch 2,4,5,6,7,8
i need 2 questions and their answers
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Question 2.
Melting of wax is a change where a solid changes to liquid state. Give one more such change which you observe in your surroundings. [NCERT from chapter 6
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