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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
Select the correct alternative from the choices given for the following statement:
A set of mixture is
Write true or false
A heterogeneous mixture has a uniform composition throughout the mixture.
What is the difference between a pure substance and a mixture ?
Name the elements present in Washing soda
Write the molecular formulae of compound calcium oxide.
Explain the term compounds.
State two characteristics of water which prove that it is a – compound.
What is the molecular formula of the following compound?
Sulphuric acid
When does the pressure of the gas increase?
