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Doctors Medicines MCQs Q&A

Fill in the blanks in the following sentences. 

(a) A ____________ process in which a substance reacts with __________ to give off heat is called combustion. 

(b) When the clothes of a person catch __________, the person is covered with a __________ to extinguish fire. 

(c) The __________ temperature at which a substance catches fire is called its __________ temperature. 

(d) The substances which have very ________________ ignition temperature and can easily catch fire with a flame are called __________ substances. 

(e) The substances which vapourise during __________, give flame.

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1 Answers

(a) Chemical, oxygen; 

(b) fire, blanket 

(c) lowest, ignition; 

(d) low, inflammable 

(e) burning.

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