Atomicity of molecules — task. Science CBSE, Class 9.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Analyse the given questions and choose the best answers:

1. Karthick went to a festival and bought a balloon for her sister. After returning home, he saw his sister was sleeping. He placed the balloon in a corner. The next day he observed that the volume of the balloon decreased. Why?

Expansion due to increase in temperature
Condensation due to decrease in temperature
Compression due to decrease in temperature
Evaporation due to increase in temperature

2. There was an argument in a class about atomicity. Sharmila argued that no element could exist in two molecular states. Is Sharmila's statement correct?

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8. Atomicity of molecules

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