Advertisements
Advertisements
Question
Name the unit in which the calorific value of a fuel is expressed?
Solution
KJ/Kg.
APPEARS IN
RELATED QUESTIONS
Make a labelled diagram of a candle flame.
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?
The substance that does not burn with flame is
On placing an inverted tumbler over a burning candle, the flame extinguishes after some time. This is because of non-availability of
The ______ temperature at which a substance catches fire is called its ______ temperature.
The substances which gave very ______ ignition temperature and can easily catch fire with a flame are called ______ substances.
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 |
Write a note on flame.
Explain the structure of a candle flame.
Why is the candle flame straight?
