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प्रश्न
What does the symbol '⇌' present in a chemical equation, mean?
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उत्तर
'⇌' stands for a reversible reaction.
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संबंधित प्रश्न
Give the names and symbols of five familiar substances which you think are elements.
What do the following symbol stand for?
2H
Give the symbol of the following element:
Calcium
Give the symbol of the following element:
Silicon
State the type of element for the following:
Copper
State the type of element for the following:
Lead
Select the correct answer to the statement given below:
An element present in the earth’s crust, atmosphere and the human body.
State a reason why the symbol of calcium is ‘Ca’ and of copper is ‘Cu’
State the valency of the following metallic element and write symbol with the valency
Chromium
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Hydroxide
