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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
Fill in the blank
In a _______ the substances are not combined chemically.
What is the difference between a pure substance and a mixture ?
Define Compounds
What is the proportion of element present in the following compound?
CaO
Tabulate a comparative chart – to differentiate between elements, compounds, and mixtures. Differentiate them with reference to the term
Explain the characteristics of compounds
Mention any four compounds and their uses.
State whether true or false. If false, correct the statement.
A compound cannot be broken into simpler substances chemically.
Classify the following as element and compound,
- Silver
- Ammonia
- Water
- Mercury.
Reason out
Sand is also known as silica.
