Advertisements
Advertisements
प्रश्न
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
NaO
Advertisements
उत्तर
NaO
Correct formula – Na2O
APPEARS IN
संबंधित प्रश्न
Fill the following blanks with suitable words :
In a chemical reaction, the sum of the masses of the reactants and the products remains unchanged. This is called ....................
State the chemical symbols for the following elements :
Sodium, Potassium, Iron, Copper, Mercury, Silver.
If the valency of hydrogen is 1 and that of nitrogen is 3, work out the formula for ammonia.
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 ?
Give the formula and valency of:
aluminium ………………. .
Name the element in the compound and give the formula of the following compound:
Ethanol
Write the formula of the following compound:
Potassium permanganate
Write the formula of the following compound:
Potassium plumbite
Write the formula of the following compound:
Sodium iodide
Write the formula of the following compound:
Calcium nitrate
Write the formula of the following compound:
Zinc sulphate
Write the formula of the following compound:
Iron [III] chloride
Write the formula of the following compound:
Iron [II] sulphate
Write the formula of the following compound:
Iron [III] sulphide
Write the formula of the following compound:
Lead [II] chloride
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
KCr2O7
Write the chemical formula for the following elements.
- Hydrogen
- Nitrogen
- Ozone
- Sulphur
Which of the following represents a correct chemical formula? Name it.
BiPO4
Write the molecular formulae for the following compounds
Iron (III) sulphide
