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:

In water treatment plant, use of chloramines ensures __________

A) taste and odour control B) weed control in reservoirs
C) disinfection D) removal of permanent hardness
 
Answer & Explanation Answer: C) disinfection

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 853
Q:

Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water

A) Magnesium B) Calcium
C) Manganese D) Chromium
 
Answer & Explanation Answer: C) Manganese

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

1 1796
Q:

Which one of the following is commonly used for pulp bleaching in the paper industry?

A) Mild sulphuric acid B) Glucose isomerase
C) peroxide D) Iodine and water
 
Answer & Explanation Answer: C) peroxide

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 965
Q:

The maximum fixation of solar energy is done by

A) Bacteria B) Protozoa
C) Fungi D) Green plants
 
Answer & Explanation Answer: D) Green plants

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 976
Q:

Which of the following acts as best adsorbent?

A) Charcoal B) Activated Charcoal
C) Activated Coconut Charcoal D) Carbon black
 
Answer & Explanation Answer: C) Activated Coconut Charcoal

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 1269
Q:

Removal of carbon particles from air involves the principle of

A) Precipitation B) Filteration
C) Electrophoresis D) Sedimentation
 
Answer & Explanation Answer: C) Electrophoresis

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 1082
Q:

Removal of carbon particles from air involves the principle of

A) Precipitation B) Filteration
C) Electrophoresis D) Sedimentation
 
Answer & Explanation Answer: C) Electrophoresis

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

1 1168
Q:

Which of the following is applied on the top of the matchsticks?

A) Red phosphorus B) White phosphorus
C) Potassium sulphate D) No option is correct
 
Answer & Explanation Answer: A) Red phosphorus

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

3 1176