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प्रश्न
Some words (underlined) in the following sentence is jumbled up. Write them in their correct form.
Seldie is a combustible substance.
उत्तर
Diesel is a combustible substance.
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संबंधित प्रश्न
True or False – If False give the correct answer
Oxygen is necessary for combustion
Some words (underlined) in the following sentence is jumbled up. Write them in their correct form.
Some substances on combustion produce thea and mafel.
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.
Two glass jars A and B are filled with carbon dioxide and oxygen gases respectively. In each jar, a lighted candle is placed simultaneously. In which jar, will the candle remain lighted for a longer time and why?
State whether the following statement is True/False.
Air is necessary for combustion.
People usually keep angithi/burning coal in their closed rooms during winter season. Why is it advised to keep the door open?
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.
Give one example of spontaneous combustion.
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.
Fill in the blanks using the words given in the box.
| ignition | petrol | combustion | calorific value | combustible | combustible |
The amount of heat energy produced on complete combustion of 1 kg of a fuel is called its ______.
