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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.
उत्तर
Carbon
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संबंधित प्रश्न
Name the process by which the components of following mixtures can be separated.
- Iron and sulphur
- Ammonium chloride and sand
- Common salt from sea water
- Chaff and grain
- Water and mustard oil
- Sugar and water
Write true or false
A heterogeneous mixture has a uniform composition throughout the mixture.
Write the molecular formulae of compound calcium oxide.
Write the molecular formulae of compound carbon monoxide
Explain the term compounds.
Give the example of a compound containing carbon and oxygen.
Give the example of a compound containing nitrogen and oxygen.
What is the molecular formula of the following compound?
glucose
Write the chemical formula and name the elements present in the following compounds.
- Sodium chloride
- Potassium hydroxide
- Carbon dioxide
- Calcium oxide
- Sulphur dioxide
What are compounds? Give two examples.
