Q2 of 34 Page 86

What is the fuel of our body?

Food is the fuel for our body because in our body food is broken down by reaction with oxygen and heat is produced.

Give one example of each combustible and non-combustible substance.

Write the products which are formed when magnesium burns with oxygen.

If we cut off the supply of air for combustion of a substance, what will happen?

At which temperature, a substance catches fire and starts burning?

Questions · 34

6. Combustion and Flame

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