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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
Select the correct alternative from the choices given for the following statement:
A set of mixture is
Write true or false
The constituents of a mixture can only be separated by chemical means.
State four important characteristics of compounds
What is the proportion of element present in the following compound?
CO2
What is the proportion of element present in the following compound?
CaO
Name two compounds which dissolve in water.
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 existence
What is the molecular formula of the following compound?
Sodium chloride
What is the molecular formula of the following compound?
glucose
What is the molecular formula of the following compound?
Methane
Write the chemical formula and name the elements present in the following compounds.
- Sodium chloride
- Potassium hydroxide
- Carbon dioxide
- Calcium oxide
- Sulphur dioxide
Mention any four compounds and their uses.
Mention the uses of the following compounds.
- Baking soda
- Bleaching powder
- Quick lime
What is meant by compound?
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
Name a non-metal which is known to form the largest number of compounds.
Higher-Order Thinking questions:
Why is water considered a compound?
The other name for potassium hydroxide is caustic potash.
A compound has a definite ______.
