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प्रश्न
A ______ process in which a substance reacts with ______ to give off heat is called combustion.
उत्तर
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.
Combustion is a chemical reaction in which and substance react with ______.
True or False – If False give the correct answer
Oxygen is necessary for combustion
The substance expected to have the highest ignition temperature out of the following is
Some words (underlined) in the following sentence is jumbled up. Write them in their correct form.
The amount of heat energy produced on complete combustion of 1 kg of a fuel is called its ficalroic value.
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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?
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 |
Ignition temperature of ______ is lower than that of wood.
