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Write the precautions to be taken in con...

Write the precautions to be taken in conducting an experiment showing the burning of gas released by heating a high quality coal. A)test tubes must be very hard,b) maintain distance from bunsen burner,c) heat the test tube by keeping in hand.

A

A and b only

B

A and c only

C

A,b, and c only

D

A only

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VGS PUBLICATION-BRILLIANT-COAL AND PETROLEUM-EXERCISE
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