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प्रश्न
Tabulate a comparative chart – to differentiate between elements, compounds, and mixtures. Differentiate them with reference to properties
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उत्तर
Properties
Elements – Elements have a definite set of properties. Elements classified into metal and non-metals each with its own properties.
Compounds – Compounds have a definite set of properties. Elements of a compound do not retain their original properties.
Mixtures – Mixture not have a definite set of properties. Components of a mixture do retain their original properties.
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 ?
Name the elements which form water.
How will you justify that water is a compound?
Name the elements present in Marble
Name the elements present in Washing soda
What is the proportion of element present in the following compound?
CO2
State the information obtained from the formula of a compound.
Give the example of a compound containing hydrogen and oxygen.
Give the example of a compound containing nitrogen and oxygen.
Select the correct answer from the choice given below.
A compound
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?
Hydrochloric acid
What is the molecular formula of the following compound?
Sulphuric acid
What are compounds? Give two examples.
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.
Mention the uses of the following compounds.
- Baking soda
- Bleaching powder
- Quick lime
What is meant by compound?
Classify the following as element and compound,
- Silver
- Ammonia
- Water
- Mercury.
