Atoms and Molecules · Class 9 · CBSE Science
Which of the following represents the correct chemical formula of aluminium sulphate?
Practice question from Atoms and Molecules (Class 9 · CBSE Science), with the correct answer and a step-by-step solution.
medium · MCQ · Q-0BE758
Which of the following represents the correct chemical formula of aluminium sulphate?
- A.AlSO4
- B.Al2(SO4)3Correct answer
- C.Al3(SO4)2
- D.Al2SO4
Solution
The valency of aluminium () is and the valency of the sulphate ion () is . By criss-crossing the valencies, we get .
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