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

2. In organic compounds, carbon atoms form:

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

3. Which of the following is the aromatic compound?

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

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

5. Which of the following compound is heterocyclic?

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

6. The simplest molecule of Bucky Ball contain carbon atoms

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

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

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