Advertisements
Advertisements
प्रश्न
The substance that does not burn with flame is ______.
पर्याय
LPG
camphor
dry grass
charcoal
Advertisements
उत्तर
The substance that does not burn with flame is charcoal.
Explanation:
Charcoal is a solid fuel which does not vaporise on heating. So, charcoal does not burn by producing a flame. It only glows on combustion.
APPEARS IN
संबंधित प्रश्न
Name the unit in which the calorific value of a fuel is expressed?
If 4.5kg of fuel is completely burnt and amount of heat produced stands measured at 1, 80,000 KJ what is the calorific value.
Picture based question

Arul and Aakash were doing an experiment in which water was to be heated in a beaker. Arul kept the beaker near the wick in the yellow part of candle flame. Aakash kept the beaker in the outer most part to the flame. Whose water will get heated in a shorter time?
The substances which gave very ______ ignition temperature and can easily catch fire with a flame are called ______ substances.
The substances which vaporise during ______ give flame.
Write True/False against the following statement and also correct the false statement.
Middle zone is the hottest zone of a flame.
Write True/False against the following statement and also correct the false statement.
The substances which vapourise during burning, give flame.
Substances which vapourise during burning produce ______.
Explain the structure of a candle flame.
Why is the candle flame straight?
