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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
Fill in the blank
In a _______ the substances are not combined chemically.
What is the proportion of element present in the following compound?
H2O
What is the proportion of element present in the following compound?
CO2
State the information obtained from the formula of a compound.
Write the molecular formulae of compound calcium oxide.
Tabulate a comparative chart – to differentiate between elements, compounds, and mixtures. Differentiate them with reference to the term
What is the molecular formula of the following compound?
glucose
What is the molecular formula of the following compound?
Methane
Explain the difference between Mixture and compounds.
Write the chemical formula and name the elements present in the following compounds.
- Sodium chloride
- Potassium hydroxide
- Carbon dioxide
- Calcium oxide
- Sulphur dioxide
Assertion: Oxygen is a compound.
Reason: Oxygen cannot be broken down into anything simpler.
State whether true or false. If false, correct the statement.
A compound cannot be broken into simpler substances chemically.
Higher-Order Thinking questions:
Why is water considered a compound?
The other name for potassium hydroxide is caustic potash.
When does the pressure of the gas increase?
A compound has a fixed ______.
Name the compounds used in fertilizers.
