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प्रश्न
Fill in the blank
In a _______ the substances are not combined chemically.
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उत्तर
In a mixture the substances are not combined chemically.
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संबंधित प्रश्न
Write true or false
Handpicking can be used as a separation technique if the particle size of the constituents of the mixture is the same.
State four important characteristics of compounds
Name the elements present in Marble
Give the example of a compound containing hydrogen and oxygen.
Select the correct answer from the choice given below.
A compound
Explain the characteristics of compounds
Mention the uses of the following compounds.
- Baking soda
- Bleaching powder
- Quick lime
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.
Sodium chloride is used as table salt and for flavoring and preserving food.
Complete the table
| Compound | Constituent elements |
| Sodium carbonate | Sodium, Carbon. Oxygen |
| Water | |
| Calcium oxide | |
| Sugar | Carbon, Hydrogen, Oxygen |
