Advertisements
Advertisements
Question
True or False – If False give the correct answer
All fuels form flame.
Options
True
False
Advertisements
Solution
False
Correct statement: All fuels do not form flame.
APPEARS IN
RELATED QUESTIONS
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?
The substances which vaporise during ______ give flame.
You are provided with three watch glasses containing milk, petrol and mustard oil respectively. Suppose you bring a burning candle near these materials one by one, which material(s) will catch fire instantly and why?
Substances which vapourise during burning produce ______.
Match the following:
| 1. | White flame | a. | Table salt |
| 2. | Indigo flame | b. | Bleaching powder |
| 3. | Blue flame | c. | Potassium chloride |
| 4. | Orange flame | d. | Epsom salt |
Name a few substances which produce flames on burning.
Write a note on flame.
Explain the structure of a candle flame.
