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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
Name the process by which the components of following mixtures can be separated.
- Iron and sulphur
- Ammonium chloride and sand
- Common salt from sea water
- Chaff and grain
- Water and mustard oil
- Sugar and water
Select the correct alternative from the choices given for the following statement:
A set of mixture is
Write true or false
A heterogeneous mixture has a uniform composition throughout the mixture.
Define Compounds
What is the proportion of element present in the following compound?
CO2
What is the proportion of element present in the following compound?
NO2
State the information obtained from the formula of a compound.
Tabulate a comparative chart – to differentiate between elements, compounds, and mixtures. Differentiate them with reference to the term
Match the following.
| Iron | For making wires |
| Copper | Sewing needle |
| Tungsten | As a fuel for ignition in rocket |
| Boron | Making the filament of a bulb |
Mention the uses of the following compounds.
- Baking soda
- Bleaching powder
- Quick lime
