Heat is produced when (a) water is added to concentrated sulphuric acid (b) water is added to quick lime. However (a) is a physical change but (b) is a chemical change. Explain the above observation
in paraghraph explain whole
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Answer:
a isn't supported in part is going to a new one is a number we can do
Explanation:
yebj1 h to a number less
heo
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