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प्रश्न
What is ignition temperature?
उत्तर
The minimum temperature at which a substance catches fire and burns is called its ignition temperature..
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संबंधित प्रश्न
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.
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.
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 ______.
Complete the crossword with the help of the clues.
Across
1. Non-metal which catches fire if exposed to air. (10)
3. The lowest temperature at which a substance catches fire is called its ______ temperature. (8)
5. The most common fire extinguisher. (5)
Down
2. A chemical process in which a substance reacts with oxygen to give off heat. (10)
4. Petrol is used as a ______ in automobiles. (4)
6. It is as hard as stone and black in colour. (4)
Which of the following conditions is not necessary for combustion?
Complete the oxidation reaction.
CH4+2O2 → ______+______+Heat energy.
Give one example of spontaneous 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.
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.
