Question

which substance contracts on heating​

Answer 1

Explanation:

=> two substances which contract on heating are water and silver iodide.

Note:You need to remember the property that water exhibits in the temperature range of 0-4 degree Celsius. Also, the contraction happens due to unique crystal structure and this property is known to be negative thermal expansion.

Answer 2

Answer:

hi

Explanation:

janvi .

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