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ScienceClass 8CBSE
Q

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. The substances which vapourise during , give flame.

A
  • A Chemical process in which a substance reacts with oxygen to give off heat is called
  • When the clothes of a person catch fire, the person is covered with a blanket to extinguish the
  • The lowest temperature at which a substance catches fire is called its ignition
  • The substances which have very low ignition temperature and can easily catch fire with a flame are called inflammable
  • The substances which vapourise during burning give
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