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प्रश्न
Write True/False against the following statement and also correct the false statement.
A physical process in which a substance reacts with oxygen to give off heat is called combustion.
विकल्प
True
False
उत्तर
This statement is False.
Correct Statement -
A chemical process in which a substance reacts with oxygen to give off heat is called combustion.
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संबंधित प्रश्न
List conditions under which combustion can take place.
Give reasons.
Paper by itself catches fire easily whereas a piece of paper wrapped around an aluminium pipe does not.
A substance which reacts with oxygen giving heat is called a combustible substance. Which one of the following is a combustible substance?
State whether the following statement is True/False.
Air is necessary for combustion.
Write True/False against the following statement and also correct the false statement.
Increased concentration of nitrogen in air is believed to cause global warming.
Which of the following conditions is not necessary for combustion?
Complete the oxidation reaction.
CH4+2O2 → ______+______+Heat energy.
What do you mean by inflammable substance?
Fill in the blanks using the word given in the box.
| ignition | petrol | combustion | calorific value | combustible | combustible |
Wood, paper, CNG are ______ substances.
Fill in the blanks using the words given in the box.
| ignition | petrol | combustion | calorific value | combustible | combustible |
The substances which have very low ______ temperature and can easily catch fire with a flame are called ______ substances.
