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
Q:

What is the number of groups and periods in the modern periodic table?

A) 18, 7 B) 18, 8
C) 16, 7 D) 16, 8
 
Answer & Explanation Answer: A) 18, 7

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry

0 1104
Q:

Heat is transmitted from higher temperature to lower temperature through the actual motion of the molecules in

A) Conduction B) Convection
C) Radiation D) Both conduction and convection
 
Answer & Explanation Answer: B) Convection

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry

1 1101
Q:

What is dry ice?

A) Solid Carbon dioxide B) Solid Nitrogen dioxide
C) Solid Sulphur dioxide D) Solid Water
 
Answer & Explanation Answer: A) Solid Carbon dioxide

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry

2 1008
Q:

Which among the following metal is used for galvanization?

A) Zinc B) Copper
C) Iron D) Silver
 
Answer & Explanation Answer: A) Zinc

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry

2 1031
Q:

Which element is generally No Radioactive?

A) Thorium B) Polonium
C) Germanium D) Plutonium
 
Answer & Explanation Answer: C) Germanium

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry

1 1052
Q:

Hydrogenation process is associated with which of the following?

A) Rubber B) Petroleum
C) Copper D) Edible fats
 
Answer & Explanation Answer: D) Edible fats

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry

2 1458
Q:

........... compound is used as a drying agent.

A) Calcium oxide B) Calcium carbide
C) Gypsum D) Calcium carbonate
 
Answer & Explanation Answer: A) Calcium oxide

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

2 1135
Q:

....... is displaced when zinc is added to the solution of copper sulphate

A) Copper B) Hydrogen
C) Zinc D) Sulphate
 
Answer & Explanation Answer: A) Copper

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 1069