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प्रश्न
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.
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उत्तर
Carbon
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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?
CO2
Explain the term compounds.
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?
glucose
State true of false. If false, give the correct statement.
Compounds and elements are pure substances.
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.
Assertion: Air is a compound.
Reason: Air consists of carbon dioxide.
