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प्रश्न
Identify the following substance:
An alkaline gas A which gives dense white fumes with hydrogen chloride.
उत्तर
Ammonia gas
संबंधित प्रश्न
Work out the formula for sulphur dioxide. (Valencies : S = 4 ; O = 2)
If the valency of carbon is 4 and that of sulphur is 2, work out the formula of the compound formed by the combination of carbon with sulphur. What is the name of this compound ?
An element Y has a valency of 4. Write the formula for its :
- chloride
- oxide
- sulphate
- carbonate
- nitrate
The formula of a compound is X3Y. The valencies of elements X and Y will be respectively :
Give the formula and valency of:
aluminium ………………. .
Give the formula and valency of:
cupric ………………… .
Write chemical formula of the sulphate of Aluminium, Ammonium and Zinc.
Write the formula of the following compound:
Potassium zincate
Write the formula of the following compound:
Potassium bicarbonate
Write the formula of the following compound:
Calcium nitrate
Write the formula of the following compound:
Calcium carbonate
Write the formula of the following compound:
Zinc carbonate
Write the formula of the following compound:
Copper [II] sulphate
Write the formula of the following compound:
Iron [III] chloride
Write the formula of the following compound:
Iron [III] sulphide
Which of the following represents a correct chemical formula? Name it.
Write the molecular formulae for the following compounds
Aluminium (III) nitrate
Write the molecular formulae for the following compounds
Iron (III) sulphide
