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प्रश्न
Explain the term compounds.
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उत्तर
A compound is a pure substance made up of two or more different elements combined chemically in a fixed proportion.
संबंधित प्रश्न
Write true or false
A heterogeneous mixture has a uniform composition throughout the mixture.
Write true or false
The constituents of a mixture can only be separated by chemical means.
Write true or false
Handpicking can be used as a separation technique if the particle size of the constituents of the mixture is the same.
What are the different types of mixtures ?
State four important characteristics of compounds
Name the elements present in Marble
What is the proportion of element present in the following compound?
H2O
State four differences between compounds and mixtures.
State the information obtained from the formula of a compound.
Write the molecular formulae of compound calcium oxide.
Write the molecular formulae of compound carbon monoxide
Tabulate a comparative chart – to differentiate between elements, compounds, and mixtures. Differentiate them with reference to the term
Tabulate a comparative chart – to differentiate between elements, compounds, and mixtures. Differentiate them with reference to Separation of compound
What is the molecular formula of the following compound?
glucose
What is meant by compound?
Complete the table
| Compound | Constituent elements |
| Sodium carbonate | Sodium, Carbon. Oxygen |
| Water | |
| Calcium oxide | |
| Sugar | Carbon, Hydrogen, Oxygen |
A compound has a fixed ______.
