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प्रश्न
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उत्तर
Potassium nitrate - KNO3 - `"K"^1"NO"_3^(1-)`
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संबंधित प्रश्न
Write the chemical formula of the Magnesium chloride.
Write the chemical formula of the Calcium oxide.
Write the chemical formula of the Copper nitrate.
What is meant by the symbol of an element ? Explain with examples.
What do the following abbreviations stand for ?
- O
- 2O
- O2
- 3O2
Name the elements water is made of. What are the valencies of these elements ? Work out the chemical
formula for water.
Name the following compounds. Also write the symbols/formulae of the ions present in them :
- CuSO4
- (NH4)2SO4
- Na2O
- Na2CO3
- CaCl2
Define ‘formula unit’ of an ionic compound. What is the formula unit of (i) sodium chloride, and
(ii) magnesium chloride ?
Write chemical formula of the sulphate of Aluminium, Ammonium and Zinc.
Correct the following statement:
Formula of iron (lll) oxide is FeO.
Give the empirical formula of Acetylene C2H2
Name the element in the compound and give the formula of the following compound:
Carbonic acid
Write the formula of the following compound:
Potassium hydroxide
Write the formula of the following compound:
Sodium bisulphate
Write the formula of the following compound:
Magnesium carbonate
Write the formula of the following compound:
Magnesium hydroxide
Write the formula of the following compound:
Iron [II] oxide
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.
Write the molecular formulae for the following compounds
Iron (III) sulphide
