Advertisements
Advertisements
प्रश्न
Give the formula and valency of:
aluminium ………………. .
Advertisements
उत्तर
aluminium
Formula Al
Valency +3
APPEARS IN
संबंधित प्रश्न
Write down the formulae of sodium sulphide.
Write the chemical formula of the Calcium oxide.
Name the following compounds. Also write the symbols/formulae of the ions present in them :
- CuSO4
- (NH4)2SO4
- Na2O
- Na2CO3
- CaCl2
Define ‘formula unit’ of an ionic compound. What is the formula unit of (i) sodium chloride, and
(ii) magnesium chloride ?
An element A forms an oxide A2O5.
What will be the formula of chloride of A ?
Complete the following statement by selecting the correct option :
The correct formula of aluminium oxide is
Give the empirical formula of Glucose C6H12O6 .
XCl2 is the chloride of a metal X. State the formula of the sulphate and the hydroxide of the metal X.
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:
Ethanol
Write the formula of the following compound:
Potassium hydroxide
Write the formula of the following compound:
Sodium carbonate
Write the formula of the following compound:
Calcium carbonate
Write the formula of the following compound:
Calcium sulphate
Write the formula of the following compound:
Copper [I] chloride
Write the formula of the following compound:
Iron [III] sulphate
Write the formula of the following compound:
Silver [I] chloride
Write the chemical formula for the following elements.
- Hydrogen
- Nitrogen
- Ozone
- Sulphur
Write the molecular formulae for the following compounds
Aluminium (III) nitrate
