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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
Name the elements which form water.
How will you justify that water is a compound?
Name the elements present in Washing soda
State the information obtained from the formula of a compound.
Write the molecular formulae of compound calcium oxide.
Give the example of a compound containing calcium and oxygen.
What is the molecular formula of the following compound?
Sulphuric acid
What is the molecular formula of the following compound?
Sodium chloride
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.
Classify the following as element and compound,
- Silver
- Ammonia
- Water
- Mercury.
