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प्रश्न
Name the elements present in Marble
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उत्तर
Elements present in Marble:
Calcium, carbon & oxygen
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संबंधित प्रश्न
Fill in the blank
In a _______ the substances are not combined chemically.
Write true or false
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Name the elements present in Washing soda
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Give the example of a compound containing nitrogen and oxygen.
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Tabulate a comparative chart – to differentiate between elements, compounds, and mixtures. Differentiate them with reference to Separation of compound
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glucose
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State true of false. If false, give the correct statement.
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Reason: Air consists of carbon dioxide.
Mention any four compounds and their uses.
State whether true or false. If false, correct the statement.
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Write any two properties of a compound.
Reason out
Sand is also known as silica.
A compound has a definite ______.
A compound has a fixed ______.
