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प्रश्न
Write the formula of the following compound:
Sodium sulphite
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उत्तर
Sodium sulphite - Na2SO3 - `"Na"^(1+)["SO"_3]^(2-)`
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संबंधित प्रश्न
What is meant by the term chemical formula?
An element Y has a valency of 4. Write the formula for its :
- chloride
- oxide
- sulphate
- carbonate
- nitrate
Which of the following represents a correct chemical formula ?
The formula of carbonate of a metal M is M2CO3.
What will be the formula of its iodide ?
Give the formula and valency of:
| Aluminate | ______ | ______ |
Identify the following substance:
Gas C that is colourless and can be used as a bleaching agent.
Identify the following substance:
A brown gas D with the irritating smell.
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Sodium iodide
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Write the formula of the following compound:
Magnesium hydroxide
Write the formula of the following compound:
Zinc nitrate
Write the formula of the following compound:
Zinc oxide
Write the formula of the following compound:
Copper [II] nitrate
Write the formula of the following compound:
Iron [II] sulphide
Write the formula of the following compound:
Lead [II] hydroxide
Write the formula of the following compound:
Lead [II] nitrate
Write the formula of the following compound:
Lead [II] sulphate
Write the formula of the following compound:
Silver [I] chloride
Play a game for writing formula.
Example 1: Make placards with symbols and valencies of the elements separately. Each student should hold two placards, one with the symbol in the right hand and the other with the valency in the left hand. Keeping the symbols in place, students should criss-cross their valencies to form the formula of a compound.
