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प्रश्न
Boojho wants to separate the following materials as combustible and non-combustible. Can you help him?
| Charcoal, chalk, stone, iron rod, copper coin, straw, cardboard, glass, paper, candle, wood. |
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उत्तर
- Combustible - charcoal, straw, cardboard, paper, candle, wood.
- Non-combustible - chalk, stone, iron rod, copper coin, glass.
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संबंधित प्रश्न
In the presence of water, the ignition temperature of paper is ______.
How many types of combustion are there?
Which one of the following has the highest calorific value?
Which of the following is not a combustible substance?
State whether the following statement is True or False.
Magnesium is a non-combustible metal.
Cracker on ignition produces sound. Why?
The calorific values of petrol and CNG are 45000 kJ/kg and 50,000 kJ/kg respectively. If you have vehicle which can run on petrol as well as CNG, which fuel will you prefer and why?
Forest fire produces a lot of air pollution. Write in brief about the reasons of forest fires.
All combustion reactions are ______.
What is slow combustion? Give example.
