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प्रश्न
Identify the following substance:
Gas B that has an offensive smell as of rotten eggs.
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उत्तर
Hydrogen sulphide
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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 carbonate of a metal M is M2CO3.
What will be the formula of its iodide ?
Give the formula and valency of:
aluminium ………………. .
Correct the following statement:
Molecular formula of water is H2O2
Name the element in the compound and give the formula of the following compound:
Nitric acid
Name the element in the compound and give the formula of the following compound:
Acetic acid
Write the formula of the following compound:
Potassium zincate
Write the formula of the following compound:
Potassium aluminate
Write the formula of the following compound:
Calcium nitrate
Write the formula of the following compound:
Magnesium bicarbonate
Write the formula of the following compound:
Zinc hydroxide
Write the formula of the following compound:
Aluminium chloride
Write the formula of the following compound:
Copper [II] chloride
Write the formula of the following compound:
Iron [II] sulphide
Write the formula of the following compound:
Lead [II] hydroxide
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
NaZnO2
Which of the following represents a correct chemical formula? Name it.
Write the molecular formulae for the following compounds
Magnesium (II) acetate
