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प्रश्न
Correct the following statement:
A molecular formula represents an element.
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उत्तर
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संबंधित प्रश्न
Name the following compounds. Also write the symbols/formulae of the ions present in them :
- CuSO4
- (NH4)2SO4
- Na2O
- Na2CO3
- CaCl2
The formula of a compound is X3Y. The valencies of elements X and Y will be respectively :
Write chemical formula of the sulphate of Aluminium, Ammonium and Zinc.
Identify the following substance:
An alkaline gas A which gives dense white fumes with hydrogen chloride.
Name the element in the compound and give the formula of the following compound:
Nitric acid
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Potassium iodide
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Sodium plumbite
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Sodium hydroxide
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Calcium nitrate
Write the formula of the following compound:
Calcium bisulphite
Write the formula of the following compound:
Calcium sulphite
Write the formula of the following compound:
Magnesium carbonate
Write the formula of the following compound:
Aluminium sulphate
Write the formula of the following compound:
Copper [II] chloride
Write the formula of the following compound:
Copper [II] oxide
Write the formula of the following compound:
Copper [II] nitrate
Write the formula of the following compound:
Iron [III] chloride
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
BaCl2
Write the molecular formulae for the following compounds
Aluminium (III) nitrate
