Sawaal
1
Q:

In modern periodic table while going from top to bottom in a group ______.

 

A) size of an atom increases B) size of an atom decreases
C) ionisation energy of an atom increases D)  size and ionisation energy of an atom increases

Answer:   D)  size and ionisation energy of an atom increases



Explanation:
Subject: Chemistry
Exam Prep: Bank Exams
Related Questions
Q:

The upper part of the heterosphere is composed almost completely of which gas?

A) Ozone B) Nitrogen
C) Oxygen D) Hydrogen
 
Answer & Explanation Answer: D) Hydrogen

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

1 1231
Q:

Uraninite is an ore/mineral of _______.

A) Zinc B) Uranium
C) Titanium D) Aluminium
 
Answer & Explanation Answer: B) Uranium

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

1 891
Q:

Atomic number of which of the following elements is greater than that of Chlorine

A) Potassium B) Sulphur
C) Aluminium D) Phosphorus
 
Answer & Explanation Answer: A) Potassium

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

2 1298
Q:

What is the chemical formula of aluminium nitride?

A) AlN B) Al2N
C) AlN2 D) AlN3
 
Answer & Explanation Answer: A) AlN

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

1 1301
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

1 981
Q:

The reactions in which oxidation and reduction occur simultaneously are called _______.

A) Feral reactions B) Redox reactions
C) Demug reactions D) Kerol reactions
 
Answer & Explanation Answer: B) Redox reactions

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 963
Q:

Activated Charcoal is used to remove colouring matter from pure substances by_______

A) Bleaching B) Oxidation
C) Adsorption D) Reduction
 
Answer & Explanation Answer: C) Adsorption

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

4 1221
Q:

Which of the following is not soluble in water?

A) Lead sulphate B) Zinc sulphate
C) Potassium sulphate D) Sodium sulphate
 
Answer & Explanation Answer: A) Lead sulphate

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

1 1255