1099+ Important Chemistry MCQ Questions Answers

Q:

Which compound is a saturated hydrocarbon?

A) Alkene	B) Alkane
C) Alkine	D) All of the above

Answer & Explanation Answer: B) Alkane

Explanation:

Alkanes are saturated hydrocarbons. Saturated means that the hydrocarbon has only single bonds and that the hydrocarbon contains the maximum number of hydrogen atoms for each carbon atom.

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

4 1050

Q:

Which base is present in lime water?

A) Sodium hydroxide	B) Magnesium hydroxide
C) Calcium hydroxide	D) Ammonium hydroxide

Answer & Explanation Answer: C) Calcium hydroxide

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

1 1049

Q:

What is an exothermic reaction?

A) Reaction in which heat is released.	B) Reaction in which heat is absorbed.
C) Reaction in which neither heat is released nor absorbed.	D) None

Answer & Explanation Answer: A) Reaction in which heat is released.

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

3 1046

Q:

Atoms of same element having different mass numbers are called__________

A) Isobars	B) Isotopes
C) Isotones	D) Isomers

Answer & Explanation Answer: B) Isotopes

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams , GATE

0 1044

Q:

The substances which have very low ignition temperature and can easily catch fire with a flame are called _____________ substances.

A) hazardous	B) perilous
C) incombustible	D) inflammable

Answer & Explanation Answer: D) inflammable

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

1 1041

Q:

Which one of the following is a physical change?

A) Burning of coal	B) Burning of wood
C) Heating of a platinum crucible	D) Heating of potassium chlorate

Answer & Explanation Answer: C) Heating of a platinum crucible

Explanation:

In Burning of coal, burning of wood and Heating of Potassium Chlorate there will be some sort of chemical change, but Heating of a Platinum crucible is a physical change.

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

1 1040

Q:

Which among the following has the maximum density?

A) Water	B) Ice
C) Ethylene	D) Acetone

Answer & Explanation Answer: A) Water

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 1039

Q:

Calculate the relative molecular mass of water $H_{2} O$ ?

A) 18u	B) 1.8u
C) 2.0u	D) 20u

Chemistry Questions

Quick Links