Chemistry Questions

Q:

Atomic mass of Sulphur is 32 u. The number of moles in 16 grams of Sulphur is:

A) 0.5 moles of Sulphur B) 0.25 moles of Sulphur
C) 0.75 moles of Sulphur D) 1 mole of Sulphur
 
Answer & Explanation Answer: A) 0.5 moles of Sulphur

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams

0 1021
Q:

Which of the following causes damage to bridges, iron railings and all objects made of metals?

A) Reduction B) Rancidity
C) Acidity D) Corrosion
 
Answer & Explanation Answer: D) Corrosion

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 1019
Q:

Which of the following salts is acidic in nature?

A) Sodium Carbonate B) Ammonium Phosphate
C) Magnesium Sulphate D) Sadium Acetate
 
Answer & Explanation Answer: A) Sodium Carbonate

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

1 1018
Q:

Which among the following cannot be included among greenhouse gases?

A) Nitrous Oxide B) Carbon Dioxide
C) Methane D) Phosphine
 
Answer & Explanation Answer: D) Phosphine

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

1 1018
Q:

Which compound is formed when a Magnesium ribbon is burnt in air?

A) Magnesium Nitrate B) Magnesium Carbonate
C) Magnesium Oxide D) Magnesium Nitride
 
Answer & Explanation Answer: C) Magnesium Oxide

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 1012
Q:

Which of the following is not a constituent of biogas?

A) Carbon dioxide B) Hydrogen Sulphide
C) Methane D) Carbon Monoxide
 
Answer & Explanation Answer: A) Carbon dioxide

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

1 1010
Q:

Which of the following is added to iron to make iron hard and strong?

A) Zinc B) Copper
C) Carbon D) Sodium
 
Answer & Explanation Answer: C) Carbon

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

1 1010
Q:

If the electronic configuration of elements A and B are 1S2, 2S2 2P6, 3S1 and 1S2, 2S2 2P6, 3S2 3P4 respectively, then the formula of the compound formed by the combination of these elements will be:

 

A) AB3 B) AB2
C) A2B D) AB
 
Answer & Explanation Answer: C) A2B

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 1003