Advertisements
Advertisements
प्रश्न
Give the formula and valency of:
aluminium ………………. .
Advertisements
उत्तर
aluminium
Formula Al
Valency +3
APPEARS IN
संबंधित प्रश्न
Write the chemical formula of the Calcium carbonate.
What is meant by a chemical formula ? Write the formulae of one element and one compound.
What do the following abbreviations stand for ?
- O
- 2O
- O2
- 3O2
Work out the formula for sulphur dioxide. (Valencies : S = 4 ; O = 2)
An element X of valency 3 combines with another element Y of valency 2. What will be the formula of the compound formed ?
An element A forms an oxide A2O5.
What will be the formula of chloride of A ?
Correct the following statement:
Formula of iron (lll) oxide is FeO.
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.
Write the formula of the following compound:
Sodium dichromate
Write the formula of the following compound:
Sodium bicarbonate
Write the formula of the following compound:
Calcium chloride
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:
Copper [I] sulphide
Write the formula of the following compound:
Diamine silver chloride
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
KCr2O7
Which of the following represents a correct chemical formula? Name it.
BiPO4
Write the molecular formulae for the following compounds
Magnesium (II) acetate
