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प्रश्न
Which of the following represents a correct chemical formula? Name it.
विकल्प
CaCl
BiPO4
NaSO4
NaS
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उत्तर
BiPO4
BiPO4 is the correct formula, its name is bismuth phosphate
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संबंधित प्रश्न
What is meant by the term chemical formula?
Give the formulae of the compounds formed from the following sets of elements :
- calcium and fluorine
- hydrogen and sulphur
- nitrogen and hydrogen
- carbon and chlorine
- sodium and oxygen
- carbon and oxygen
Identify the following substance:
A brown gas D with the irritating smell.
XCl2 is the chloride of a metal X. State the formula of the sulphate and the hydroxide of the metal X.
Write the formula of the following compound:
Sodium bicarbonate
Write the formula of the following compound:
Calcium sulphate
Write the formula of the following compound:
Calcium bicarbonate
Write the formula of the following compound:
Copper [II] sulphide
Write the formula of the following compound:
Iron [III] oxide
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.
