Chemistry Most Important mcqs For All Type Of Tests

 

1. The major portion of natural gas is

A) Ethane
B) Propane
C) Butane
D) methane

ANSWER= (D) methane

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2. In organic compounds, carbon atoms form:

A) Ionic Bond
B) Metallic Bond
C) Covalent Bond
D) All of the above

ANSWER= (C) Covalent Bond

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3. Which of the following is the aromatic compound?

A) Propanol
B) Cyclohexane
C) Acetone
D) Benzene

ANSWER= (D) Benzene

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4. There are the few homologous series of compounds. The existence of homologous series is due to

A) Functional group
B) Cracking
C) Isomerism
D) Polymerization

ANSWER= (A) Functional group

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5. Which of the following compound is heterocyclic?

A) Pyridine
B) Pyrrole
C) Thiophene
D) All of the above

ANSWER= (D) All of the above

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6. The simplest molecule of Bucky Ball contain carbon atoms

A) 20
B) 8
C) 60
D) 100

ANSWER= (C) 60

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7. If the molecule contain more than one functional groups, it is known as

A) Derivative
B) Polyfunctional
C) Hetrocycles
D) Isomers

ANSWER= (B) Polyfunctional

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