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प्रश्न
Give the example of a compound containing nitrogen and oxygen.
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उत्तर
Example of Atoms of a different element forming a compound
Nitrogen dioxide, 1 atom of nitrogen 2 atom of O = NO2
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
Name the elements present in Washing soda
What is the proportion of element present in the following compound?
H2O
What is the proportion of element present in the following compound?
CO2
What is the proportion of element present in the following compound?
CaO
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?
Hydrochloric acid
What is the molecular formula of the following compound?
Sulphuric acid
What is the molecular formula of the following compound?
glucose
What is the molecular formula of the following compound?
Methane
Explain the term mixture.
What are compounds? Give two examples.
Explain the characteristics of compounds
Assertion: Air is a compound.
Reason: Air consists of carbon dioxide.
State whether true or false. If false, correct the statement.
Aspirin is composed of 60% Carbon, 4.5% Hydrogen and 35.5% Oxygen by mass. Aspirin is a mixture.
What is meant by compound?
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.
When does the pressure of the gas increase?
A compound has a definite ______.
