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प्रश्न
Name the elements present in Ammonia
उत्तर
Elements present in Ammonia:
Nitrogen and hydrogen
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संबंधित प्रश्न
Fill in the blank
In a _______ the substances are not combined chemically.
Define Compounds
What is the proportion of element present in the following compound?
CO2
Name two compounds which dissolve in water.
Explain the term compounds.
Give the example of a compound containing carbon and oxygen.
Give the example of a compound containing nitrogen and oxygen.
Give the example of a compound containing calcium and oxygen.
What is the molecular formula of the following compound?
glucose
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?
Sodium chloride is used as table salt and for flavoring and preserving food.
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.
Complete the table
| Compound | Constituent elements |
| Sodium carbonate | Sodium, Carbon. Oxygen |
| Water | |
| Calcium oxide | |
| Sugar | Carbon, Hydrogen, Oxygen |
Higher-Order Thinking questions:
Why is water considered a compound?
Reason out
Sand is also known as silica.
When does the pressure of the gas increase?
A compound has a definite ______.
A compound has a fixed ______.
