Some Important Compounds MCQs with Answers

It is commonly known as caustic soda?

• A.Sodium hydroxide
• B.Potassium hydroxide
• C.Calcium hydroxide
• D.Magnesium hydroxide

Amount of nitrogen in ammonia (NH₃) by mass is approximately?

• A.64%
• B.76%
• C.82%
• D.90%

The chemical formula of Borazine is _.

• A.B₃H₃N₆
• B.B₂H₆N₂
• C.B₃H₆N₃
• D.B₆H₆N₃

IUPAC name of acetone is?

• A.Propanone
• B.Methanone
• C.Butanone
• D.Ethanone

The chemical name of Pb₃O₄ is?

• A.Lead dioxide
• B.Lead monoxide
• C.Lead tetraoxide
• D.Lead sesquioxide

Chemical formula of Plaster of Paris (Hemi-hydrated gypsum) is?

• A.CaSO₄·10H₂O
• B.CaSO₄·2H₂O
• C.CaSO₄·H₂O
• D.CaSO₄·½H₂O

The IUPAC name for picric acid is _?

• A.2,4,6-Trinitrobenzoic acid
• B.2,4,6-Trinitrotoluene
• C.2,4-Dinitrophenol
• D.2,4,6-Trinitrophenol

Which reagent can differentiate alcohol and phenol?

• A.Neutral FeCl₃
• B.Tollen's reagent
• C.Benedict's solution
• D.2,4-DNP

The chemical formula of magnetic oxide is ?

• A.Fe2O3
• B.Fe2O4
• C.FeO
• D.Fe3O4

Benzene has a structure _?

• A.Hexagonal
• B.Linear
• C.Tetrahedral
• D.Octahedral