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प्रश्न
Name the elements present in Washing soda
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उत्तर
Elements present in Washing soda:
Sodium, carbon & oxygen
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संबंधित प्रश्न
Write true or false
The constituents of a mixture can only be separated by chemical means.
What are the different types of mixtures ?
What is the proportion of element present in the following compound?
H2O
Name two compounds which dissolve in water.
State three differences between water and air.
Write the molecular formulae of compound lead sulphide.
Give the example of a compound containing calcium and oxygen.
Select the correct answer from the choice given below.
A compound
What is the molecular formula of the following compound?
Sodium chloride
Write the chemical formula and name the elements present in the following compounds.
- Sodium chloride
- Potassium hydroxide
- Carbon dioxide
- Calcium oxide
- Sulphur dioxide
Explain the characteristics of compounds
Assertion: Oxygen is a compound.
Reason: Oxygen cannot be broken down into anything simpler.
Mention the uses of the following compounds.
- Baking soda
- Bleaching powder
- Quick lime
What is meant by compound?
Write any two properties of a compound.
Higher-Order Thinking questions:
Why is water considered a compound?
The other name for potassium hydroxide is caustic potash.
Reason out
Sand is also known as silica.
When does the pressure of the gas increase?
