Question

(a) A tightly fitting cork on a test tube is blown off if the test tube is heated. why
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Answer 1

• A tightly fitting cork on a test tube is blown off if the test tube is heated, give reason.If the internal pressure becomes greater than the external pressure plus frictional force acts on the cork and as a result the cork will come loose of the of the test tube .

Answer 2

Explanation:

A tightly fitting cork on a test tube is blown off if the test tube is heated, give reason. ... If the internal pressure becomes greater than the external pressure plus frictional force acts on the cork and as a result the cork will come loose of the of the test tube .

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