Choose the correct reason for the actions — 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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i). Since ice cube is a solid substance why does it float on water?

The volume of the water is higher
The surface tension of water is higher
The density of ice is lesser than that of water
The particles in the water is less denser than the ice

ii). How the aroma of hot delicious food can reaches you from several meters, but not the smell of ice creams.

Gas molecules can travel in air medium
The melting point of ice is 0 degree Celsius
The cold breeze can travel faster in the air
If the heat applied to the solid it will melt

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