Advertisements
Advertisements
Question
Give the example of a compound containing calcium and oxygen.
Solution
Example of Atoms of a different element forming a compound
Calcium oxide, 1 atom of calcium 1 atom of O = CaO
RELATED QUESTIONS
Fill in the blank
In a _______ the substances are not combined chemically.
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.
Name the elements present in Sugar
Name the elements present in Marble
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 three differences between water and air.
Give the example of a compound containing carbon 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 properties
Explain the term mixture.
State true of false. If false, give the correct statement.
Compounds and elements are pure substances.
What are compounds? Give two examples.
Assertion: Oxygen is a compound.
Reason: Oxygen cannot be broken down into anything simpler.
State whether true or false. If false, correct the statement.
Aspirin is composed of 60% Carbon, 4.5% Hydrogen and 35.5% Oxygen by mass. Aspirin is a mixture.
What is meant by compound?
Complete the table
| Compound | Constituent elements |
| Sodium carbonate | Sodium, Carbon. Oxygen |
| Water | |
| Calcium oxide | |
| Sugar | Carbon, Hydrogen, Oxygen |
Reason out
Sand is also known as silica.
A compound has a fixed ______.
