Advertisements
Advertisements
प्रश्न
Write the formula of the following compound:
Potassium zincate
Advertisements
उत्तर
Potassium zincate - K2ZnO2 - `"ZnO"_2^(2-)`
APPEARS IN
संबंधित प्रश्न
Write down the formulae of magnesium hydroxide.
What is meant by the symbol of an element ? Explain with examples.
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 ?
Name the following compounds. Also write the symbols/formulae of the ions present in them :
- CuSO4
- (NH4)2SO4
- Na2O
- Na2CO3
- CaCl2
An element Y has a valency of 4. Write the formula for its :
- chloride
- oxide
- sulphate
- carbonate
- nitrate
Which of the following represents a correct chemical formula ?
Correct the following statement:
A molecular formula represents an element.
Identify the following substance:
Gas C that is colourless and can be used as a bleaching agent.
Write the formula of the following compound:
Potassium iodide
Write the formula of the following compound:
Potassium nitrite
Write the formula of the following compound:
Calcium sulphate
Write the formula of the following compound:
Calcium hydroxide
Write the formula of the following compound:
Magnesium nitrate
Write the formula of the following compound:
Zinc hydroxide
Write the formula of the following compound:
Copper [II] sulphate
Write the formula of the following compound:
Iron [II] chloride
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.
NaClO
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
BaCl2
Write the steps that are followed to write down the chemical formula of a substance.
