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प्रश्न
Explain the term mixture.
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उत्तर
Mixtures:
“Are made up of two or more elements or compounds or both mechanically mixed together in any proportion.”
Examples:
- Iron and sand mixture.
- Sand, iron, and common salt mixture.
- Ice-cream is a mixture of milk, sugar absence, dry-fruits, etc.
Differences between homogenous and heterogeneous mixtures.
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संबंधित प्रश्न
Define Compounds
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Write the molecular formulae of compound hydrogen sulphide.
What is the molecular formula of the following compound?
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What is the molecular formula of the following compound?
Sodium chloride
Explain the difference between Mixture and compounds.
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.
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.
A compound has a fixed ______.
