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प्रश्न
Write ‘True’ or ‘False’ in front of following statement.
Enamelling is the process of baking a mixture of silicates on the surface of aluminium at a high temperature.
विकल्प
True
False
उत्तर
False.
Enamelling is the process of baking a mixture of silicates on the surface of iron at a high temperature.
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संबंधित प्रश्न
Describe a simple experiment to show that l/5th of air is oxygen.
Fill in the blanks
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Fill in the blank
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Complete the statement given below by filling in the blank with the correct word from the words given:
The product formed which is common to both combustion and respiration is ______.
Give word equation for the following conversion:
Nitrogen of the air to nitric oxide
Explain why during an incident of fire, one is advised to wrap a woollen blanket over a burning object.
Inhaled air contains a large amount of carbon-di-oxide.
Air contains a small amount of CO2, Water vapour, and some other gases like ______, etc.
Oxygen is used to oxidize ______.
A list of words is given in a box. Use appropriate words to fill up the blank in the following statement
Mountaineers carry oxygen ______ with them, while climbing high mountains.
