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प्रश्न
State true of false. If false, give the correct statement.
Compounds and elements are pure substances.
विकल्प
True
False
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उत्तर
Compounds and elements are pure substances- True
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संबंधित प्रश्न
Define Compounds
Name the elements which form water.
How will you justify that water is a compound?
State four important characteristics of compounds
What is the proportion of element present in the following compound?
CaO
What is the proportion of element present in the following compound?
NO2
Explain the term compounds.
Select the correct answer from the choice given below.
A compound
Write the chemical formula and name the elements present in the following compounds.
- Sodium chloride
- Potassium hydroxide
- Carbon dioxide
- Calcium oxide
- Sulphur dioxide
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.
