Advertisements
Advertisements
प्रश्न
Write the formula of the following compound:
Zinc oxide
Advertisements
उत्तर
Zinc oxide - ZnO - `"Zn"^(2+)["O"]^(2-)`
APPEARS IN
संबंधित प्रश्न
What is meant by a chemical formula ? Write the formulae of one element and one compound.
Name the elements water is made of. What are the valencies of these elements ? Work out the chemical
formula for water.
The formula of carbonate of a metal M is M2CO3.
What will be the formula of its phosphate ?
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:
Glauber’s salt
Name the element in the compound and give the formula of the following compound:
Ethanol
Write the formula of the following compound:
Sodium nitrate
Write the formula of the following compound:
Calcium nitrate
Write the formula of the following compound:
Zinc chloride
Write the formula of the following compound:
Iron [II] oxide
Write the formula of the following compound:
Iron [III] oxide
Write the formula of the following compound:
Iron [III] hydroxide
Define the term Relative molecular mass. State why indirect methods are utilised to determine the absolute mass of an atom. Explain in brief the indirect method used.
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
KCr2O7
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
NaO
Write the chemical formula for the following compounds
- Aluminium sulphate
- Silver nitrate
- Magnesium oxide
- Barium chloride
Write the molecular formulae for the following compounds
Copper (II) bromide
Write the molecular formulae for the following compounds
Iron (III) sulphide
Write the molecular formulae for the following compounds
Magnesium (II) acetate
What is a chemical formula?
