Advertisements
Advertisements
प्रश्न
Give the formula and valency of:
aluminium ………………. .
उत्तर
aluminium
Formula Al
Valency +3
APPEARS IN
संबंधित प्रश्न
Write down the formula of aluminium chloride.
Write down the formulae of sodium sulphide.
Write the chemical formula of the Magnesium chloride.
Name the elements water is made of. What are the valencies of these elements ? Work out the chemical
formula for water.
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 ?
Write chemical formula of the sulphate of Aluminium, Ammonium and Zinc.
Complete the following statement by selecting the correct option :
The correct formula of aluminium oxide is
Name the element in the compound and give the formula of the following compound:
Acetic acid
Name the element in the compound and give the formula of the following compound:
Green vitriol
Write the formula of the following compound:
Calcium bisulphite
Write the formula of the following compound:
Aluminium nitrate
Write the formula of the following compound:
Aluminium carbonate
Write the formula of the following compound:
Copper [I] sulphide
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
NaO
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
NaClO
Write the molecular formulae for the following compounds
Calcium (II) phosphate
Give the chemical formulae for the following compounds and compute the ratio by mass of the combining elements in each one of them. (You may use appendix-III).
- Ammonia
- Carbon monoxide
- (Hydrogen chloride
- Aluminium fluoride
- Magnesium sulphide
What is a chemical formula?
