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प्रश्न
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उत्तर
Potassium chloride - KCl - K1+Cl1-
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संबंधित प्रश्न
The radius of an oxygen atom is 0.073 nm. What does the symbol ‘nm’ represent ?
What is meant by the symbol of an element ? Explain with examples.
Write down the formulae for the following compounds :
Calcium oxide
An element Z has a valency of 3. What is the formula of oxide of Z ?
An element Y has a valency of 4. Write the formula for its :
- chloride
- oxide
- sulphate
- carbonate
- nitrate
Define ‘formula unit’ of an ionic compound. What is the formula unit of (i) sodium chloride, and
(ii) magnesium chloride ?
The formula of carbonate of a metal M is M2CO3.
What will be the formula of its phosphate ?
Write chemical formula of the sulphate of Aluminium, Ammonium and Zinc.
Identify the following substance:
Gas B that has an offensive smell as of rotten eggs.
Write the formula of the following compound:
Potassium sulphate
Write the formula of the following compound:
Potassium nitrite
Write the formula of the following compound:
Sodium nitrate
Write the formula of the following compound:
Zinc oxide
Write the formula of the following compound:
Aluminium nitrate
Write the formula of the following compound:
Copper [II] nitrate
Write the formula of the following compound:
Tetra amine copper [II] sulphate
Write the formula of the following compound:
Iron [II] sulphide
Write the formula of the following compound:
Iron [III] hydroxide
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
NaO
