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प्रश्न
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उत्तर
Potassium nitrate - KNO3 - `"K"^1"NO"_3^(1-)`
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संबंधित प्रश्न
An element Z has a valency of 3. What is the formula of oxide of Z ?
Give the formula and valency of:
| Aluminate | ______ | ______ |
Give the formula and valency of:
aluminium ………………. .
Give the empirical formula of : Benzene C6H6
Give the empirical formula of Acetylene C2H2
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:
Ethanol
Write the formula of the following compound:
Sodium hydroxide
Write the formula of the following compound:
Calcium sulphate
Write the formula of the following compound:
Zinc oxide
Write the formula of the following compound:
Zinc oxide
Write the formula of the following compound:
Aluminium carbonate
Write the formula of the following compound:
Iron [III] chloride
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.
NaCO3
Find the valency of the element which is underlined in the following formula.
- NaCl
- CO2
- Al (PO4)
- Ba (NO3)2
- CaCl2
Write the molecular formulae for the following compounds
Mercury (II) chloride
Write the steps that are followed to write down the chemical formula of a substance.
Play a game for writing formula.
Example 1: Make placards with symbols and valencies of the elements separately. Each student should hold two placards, one with the symbol in the right hand and the other with the valency in the left hand. Keeping the symbols in place, students should criss-cross their valencies to form the formula of a compound.
