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प्रश्न
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
Name a non-metal which is known to form the largest number of compounds.
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उत्तर
Carbon
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संबंधित प्रश्न
What is the proportion of element present in the following compound?
CO2
What is the proportion of element present in the following compound?
CaO
Name two compounds which dissolve in water.
Give the example of a compound containing hydrogen and oxygen.
State two characteristics of water which prove that it is a – compound.
Assertion: Air is a compound.
Reason: Air consists of carbon dioxide.
Match the following.
| Iron | For making wires |
| Copper | Sewing needle |
| Tungsten | As a fuel for ignition in rocket |
| Boron | Making the filament of a bulb |
State whether true or false. If false, correct the statement.
A compound cannot be broken into simpler substances chemically.
The other name for potassium hydroxide is caustic potash.
A compound has a definite ______.
