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प्रश्न
Write the formula of the following compound:
Sodium carbonate
Write the formula of sodium carbonate.
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उत्तर
Na2CO3
संबंधित प्रश्न
What do the symbols, H2, S and O4 mean in the formula H2SO4 ?
Give the formula and valency of:
aluminium ………………. .
Correct the following statement:
Formula of iron (lll) oxide is FeO.
Give the empirical formula of Acetylene C2H2
Identify the following substance:
Gas C that is colourless and can be used as a bleaching agent.
Write the formula of the following compound:
Sodium zincate
Write the formula of the following compound:
Sodium bisulphite
Write the formula of the following compound:
Calcium nitrate
Write the formula of the following compound:
Magnesium hydroxide
Write the formula of the following compound:
Zinc sulphate
Write the formula of the following compound:
Aluminium nitrate
Write the formula of the following compound:
Iron [II] sulphate
Write the formula of the following compound:
Silver [II] chloride
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
NaZnO2
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
NaCO3
Write the molecular formulae for the following compounds
Aluminium (III) nitrate
There are ______ hydrogen atoms in water molecule.
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.
