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प्रश्न
Write the formula of the following compound:
Sodium bisulphate
उत्तर
Sodium bisulphate - NaHSO4 - `["HSO"_4]^(1-)`
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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.
