Everyday Science MCQs (page 33 of 51)
Physics, chemistry, biology, the human body, units and the solar system, covering the everyday science section of general-ability tests.
1,014 questions. Select an option to check your answer, or open "Show answer". Showing 641–660.
- 641.
CH₃OH is the chemical formula of:
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Answer: C. methanol
CH₃OH is methanol.
- 642.
What is the chemical formula of benzene?
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Answer: B. C₆H₆
The formula of benzene is C₆H₆.
- 643.
C₆H₆ is the chemical formula of:
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Answer: D. benzene
C₆H₆ is benzene.
- 644.
What is the chemical formula of urea?
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Answer: A. CO(NH₂)₂
The formula of urea is CO(NH₂)₂.
- 645.
CO(NH₂)₂ is the chemical formula of:
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Answer: A. urea
CO(NH₂)₂ is urea.
- 646.
What is the chemical formula of hydrogen sulfide?
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Answer: C. H₂S
The formula of hydrogen sulfide is H₂S.
- 647.
H₂S is the chemical formula of:
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Answer: B. hydrogen sulfide
H₂S is hydrogen sulfide.
- 648.
What is the chemical formula of zinc oxide?
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Answer: B. ZnO
The formula of zinc oxide is ZnO.
- 649.
ZnO is the chemical formula of:
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Answer: D. zinc oxide
ZnO is zinc oxide.
- 650.
What is the chemical formula of sodium nitrate?
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Answer: B. NaNO₃
The formula of sodium nitrate is NaNO₃.
- 651.
NaNO₃ is the chemical formula of:
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Answer: A. sodium nitrate
NaNO₃ is sodium nitrate.
- 652.
What is the chemical formula of carbonic acid?
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Answer: A. H₂CO₃
The formula of carbonic acid is H₂CO₃.
- 653.
H₂CO₃ is the chemical formula of:
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Answer: A. carbonic acid
H₂CO₃ is carbonic acid.
- 654.
What is the chemical formula of potassium hydroxide?
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Answer: D. KOH
The formula of potassium hydroxide is KOH.
- 655.
KOH is the chemical formula of:
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Answer: A. potassium hydroxide
KOH is potassium hydroxide.
- 656.
What is the chemical formula of ammonium nitrate?
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Answer: D. NH₄NO₃
The formula of ammonium nitrate is NH₄NO₃.
- 657.
NH₄NO₃ is the chemical formula of:
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Answer: D. ammonium nitrate
NH₄NO₃ is ammonium nitrate.
- 658.
What is the chemical formula of sodium hypochlorite (bleach)?
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Answer: C. NaOCl
The formula of sodium hypochlorite (bleach) is NaOCl.
- 659.
NaOCl is the chemical formula of:
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Answer: A. sodium hypochlorite (bleach)
NaOCl is sodium hypochlorite (bleach).
- 660.
What is the chemical formula of calcium chloride?
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Answer: C. CaCl₂
The formula of calcium chloride is CaCl₂.