Everyday Science · Atoms, Elements & Compounds · page 1 of 13
Some Important Compounds MCQs with Answers
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Past paper MCQs in this chapter · See all past papers
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- 1.
Past Paper MCQ
The gemstone ruby is actually _ with traces of some other elements.
- 2.
The –SH group is present in?
- 3.
The Empirical formula of hydrogen peroxide is _?
- 4.
Percentage of oxygen in water (H2O) is _?
- 5.
Chemical formula for ammonium nitrate is?
- 6.
What is the common name of sodium carbonate (Na₂CO₃)?
- 7.
Acetylene on reacting with ammonium silver nitrate gives ?
- 8.
What is the chemical formula of limestone?
- 9.
Which compound is more soluble in water?
- 10.
The shape of SnCl₂ is _?