Textbook questions I — task. Science CBSE, Class 10.

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

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1. An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. The element is likely to be

carbon
silicon
calcium
iron

2. Food cans are coated with tin and not with zinc because

zinc has a higher melting point than tin.
zinc is costlier than tin.
zinc is more reactive than tin.
zinc is less reactive than tin.

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