Sawaal

 Chemistry Questions

Popular Latest Rated
Q:

A change in which no new substances are formed is called _____________.

A) Physical Change B) Chemical Change
C) Rusting D) Galvanisation
 
Answer & Explanation Answer: A) Physical Change

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 1480
Q:

Which of the following statement is CORRECT?

A) Gold and Silver are not ductile. B) Phophorus and Nitrogen are ductile.
C) Copper and Platinum are ductile. D) Sulphur and Phophorus are sonorous
 
Answer & Explanation Answer: C) Copper and Platinum are ductile.

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

2 1479
Q:

Which of the following is not a component of Smog?

A) Volatile organic compounds B) Nitrogen Oxide
C) Sulphur dioxide D) Chlorine oxide
 
Answer & Explanation Answer: D) Chlorine oxide

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 1477
Q:

Fire extinguishers emit which gas?

A) Carbon monoxide B) Chlorine
C) Carbon dioxide D) Nitrogen
 
Answer & Explanation Answer: C) Carbon dioxide

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

1 1477
Q:

By which of the following processes are metals of high reactivity extracted from purified molten ore?

A) Reduction by an appropriate reducing agent B) Roasting
C) Electrolysis D) Calcination
 
Answer & Explanation Answer: C) Electrolysis

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams , AIEEE

1 1476
Q:

The series of processes by which nitrogen and its compounds are inter-converted in the environment and in living organisms is called _____ .

A) Absorption of Nitrogen B) Ammonification
C) Nitrogen Fixation D) Nitrogen Cycle
 
Answer & Explanation Answer: D) Nitrogen Cycle

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 1476
Q:

The molecular formula of Propane is

A) C2H6 B) C4H10
C) C3H8 D) CH4
 
Answer & Explanation Answer: C) C3H8

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams

0 1475
Q:

Haematite is an ore/mineral of

A) Zinc B) Iron
C) Lead D) Manganese
 
Answer & Explanation Answer: B) Iron

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

1 1473