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प्रश्न
Select the correct alternative from the choices given for the following statement:
A set of mixture is
विकल्प
ink, honey, ice cream, milk
tapwater, gold, common salt, alloy
milk, brass, silver, honey
butter, petroleum, tapwater, iron
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उत्तर
ink, honey, icecream, milk
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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
Name the elements present in Washing soda
Give the example of a compound containing calcium and oxygen.
Tabulate a comparative chart – to differentiate between elements, compounds, and mixtures. Differentiate them with reference to properties
What is the molecular formula of the following compound?
Methane
What are compounds? Give two examples.
Which of the following are not compounds?
- Chlorine gas
- Potassium chloride
- Iron
- Iron sulphide
- Aluminium
- Iodine
- Carbon
- Carbon monoxide
- Sulphur powder
Complete the table
| Compound | Constituent elements |
| Sodium carbonate | Sodium, Carbon. Oxygen |
| Water | |
| Calcium oxide | |
| Sugar | Carbon, Hydrogen, Oxygen |
Reason out
Sand is also known as silica.
When does the pressure of the gas increase?
