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प्रश्न
Fill in the blanks using the words given in the box.
| ignition | petrol | combustion | calorific value | combustible | combustible |
A chemical process in which a substance reacts with oxygen to give off heat is called ______.
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.
Slaags is a non-combustible material.
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.
Complete combustion of the fuel takes place and the colour of the flame is yellow and is the hottest part of the flame.
Complete the oxidation reaction.
CH4+2O2 → ______+______+Heat energy.
Give one example of slow combustion.
Fill in the blanks using the word given in the box.
| ignition | petrol | combustion | calorific value | combustible | combustible |
The lowest temperature at which a substance catches fire is called its ______ temperature.
