Boojho has often noticed that the road construction workers hent a black material (tar) for
repairing a rond. Identify the change caused in the tar by heating
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Answers
Answered by
35
Answer:
reversible change
Explanation:
when tar is heated it turns into a hot thick black liquid which will turn into solid after getting cooled..thays why it is a reversible process
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Answered by
11
Answer:
on heating the (tar)Will melt an mix with the stones and make the road tough
Explanation:
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