Advertisements
Advertisements
प्रश्न
Magnesium ribbon on burning in air produces
विकल्प
magnesium oxide, water and light
magnesium oxide and heat
magnesium oxide, heat and light
magnesium oxide, water and heat
Advertisements
उत्तर
magnesium oxide, heat and light
Explanation:
Magnesium ribbon on burning in air produces magnesium oxide, heat and light, Magnesium ribbon is a very reactive metal.
\[\ce{Magnesium + \underset{(From air)}{Oxygen} ->[Combustion] Magnesium oxide + Heat + Light}\]
APPEARS IN
संबंधित प्रश्न
Make a labelled 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.
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.
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 ______.
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.
Why is the candle flame straight?
