Chemistry Questions

Q:

What is the number of atoms constituting a molecule known as?

A) Atomicity B) Atomic mass
C) Atomic number D) Isotopes
 
Answer & Explanation Answer: A) Atomicity

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 730
Q:

When electricity is passed through an aqueous solution of Sodium Chloride (brine), it decomposes to form.

 

A) NaOH + H2 + Cl2 B) NaOH + H2 + O2
C) NaOH + HCl + H2 D) NaOH + H2 + N2
 
Answer & Explanation Answer: A) NaOH + H2 + Cl2

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

3 730
Q:

Which of the following type of medicine is used to treat indigestion?

A) Sulpha drug B) Antihistamine
C) Antibiotic D) Antacid
 
Answer & Explanation Answer: D) Antacid

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 728
Q:

___ is not a chemical change.

A) Cooking an egg B) Melting an ice cube
C) Baking a cake D) Rotting Bananas
 
Answer & Explanation Answer: B) Melting an ice cube

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

1 728
Q:

Isobars have _______.

A) Same mass numbers but different atomic numbers B) Different mass numbers but same atomic numbers
C) Same mass and atomic numbers D) Different mass and atomic numbers
 
Answer & Explanation Answer: A) Same mass numbers but different atomic numbers

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

1 727
Q:

Which of the following solutions is the most acidic among them all?

A) Solution with pH value 0 B) Solution with pH value 6
C) Solution with pH value 1 D) Solution with pH value 7
 
Answer & Explanation Answer: A) Solution with pH value 0

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 726
Q:

What is the valency of magnesium?

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: B) 2

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

1 725
Q:

An element has an atomic weight of W and an atomic number of N. The number of protons in the nucleus of its atom is

 

A) N B) W
C) W + N D) W - N
 
Answer & Explanation Answer: A) N

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams

3 725