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CSS - PMS - CCE - PCS - General Science Practice

Chemical Symbols MCQs

Practice important Chemical Symbols MCQs with answers, explanations, theory links, and exam-focused preparation.

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Chemical Symbols

Chemical Symbols MCQs With Answers

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CSS - PMS - CCE - PCS - General Science Chemical Symbols
The chemical formula of water is:
A. CO2
B. H2O
C. O2
D. NaCl
Read Theory
Correct Answer: B
B: Correct because water consists of two hydrogen atoms and one oxygen atom. A: Wrong because CO2 is carbon dioxide. C: Wrong because O2 is oxygen gas. D: Wrong because NaCl is sodium chloride.
CSS - PMS - CCE - PCS - General Science Chemical Symbols
The chemical symbol for sodium is:
A. So
B. Na
C. S
D. Sd
Read Theory
Correct Answer: B
A: Wrong because So is not sodium's symbol. B: Correct because sodium's chemical symbol is Na from Latin natrium. C: Wrong because S is sulfur. D: Wrong because Sd is not sodium's symbol.
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