Advertisements
Advertisements
Question
The substance that does not burn with flame is ______.
Options
LPG
camphor
dry grass
charcoal
Advertisements
Solution
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
RELATED QUESTIONS
Abida and Ramesh were doing an experiment in which water was to be heated in a beaker. Abida kept the beaker near the wick in the yellow part of the candle flame. Ramesh kept the beaker in the outermost part of the flame. Whose water will get heated in a shorter time?
Name the unit in which the calorific value of a fuel is expressed?
Make labeled diagram of a candle flame.
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?
On placing an inverted tumbler over a burning candle, the flame extinguishes after some time. This is because of non-availability of
The substances which gave very ______ ignition temperature and can easily catch fire with a flame are called ______ substances.
Anu wants to boil water quickly in a test tube. On observing the different zones of the flame, she is not able to decide which zone of the flame will be best for boiling water quickly. Help her in this activity.
If you hold a piece of iron wire with a pair of tongs inside a candle flame or a Bunsen burner flame, what will you observe? Will it produce a flame?
Write True/False against the following statement and also correct the false statement.
Middle zone is the hottest zone of a flame.
Substances which vapourise during burning produce ______.
