Advertisements
Advertisements
प्रश्न
The substances which gave very ______ ignition temperature and can easily catch fire with a flame are called ______ substances.
Advertisements
उत्तर
The substances which gave very low ignition temperature and can easily catch fire with a flame are called inflammable substances.
APPEARS IN
संबंधित प्रश्न
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?
Which is the hottest part in the flame of candle ______.
Inner zone of flame : :______, outer zone of flame : :______
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.
Make labeled diagram of a candle flame.
On placing an inverted tumbler over a burning candle, the flame extinguishes after some time. This is because of non-availability of
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?
Match the following:
| 1. | Inner zone | a. | Yellow |
| 2. | Outer zone | b. | Borax powder |
| 3. | Middle zone | c. | Blue |
| 4. | Green flame | d. | Black |
Name a few substances which produce flames on burning.
