A metal screw top on a glass bottle which appears to be stuck could be opened by using the fact that __________.

the metal expands more than the glass when both are heated

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the metal and glass expand identically when heated

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the metal shrinks when heated

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both metal and glass shrink when cooled

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Solution

The correct option is B the metal and glass expand identically when heated
Metals expand on heating and shrinks on cooling. So a metal screw on a glass bottle can be opened by heating it so that screw and glass would expand.

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A metal screw top on a glass bottle which appears to be stuck could be opened by using the fact that __________.

The correct option is B the metal and glass expand identically when heatedMetals expand on heating and shrinks on cooling. So a metal screw on a glass bottle can be opened by heating it so that screw and glass would expand.

The correct option is B the metal and glass expand identically when heated
Metals expand on heating and shrinks on cooling. So a metal screw on a glass bottle can be opened by heating it so that screw and glass would expand.