Sawaal

 Chemistry Questions

Popular Latest Rated
Q:

Which of the following elements has the lowest melting point?

A) Oxygen B) Platinum
C) Sodium D) Tin
 
Answer & Explanation Answer: A) Oxygen

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 1533
Q:

A solution contains 33 g of common salt in 320 g of water. Calculate the concentration in terms of mass, by mass percentage of the solution.

A) 13.05% B) 9.09 g
C) 9.35g D)  9.35%
 
Answer & Explanation Answer: D)  9.35%

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT

1 1531
Q:

Which one of the following elements is essential for the formation of chlorophyll in green plants?

A) Calcium B) Iron
C) Magnesium D) Potassium
 
Answer & Explanation Answer: C) Magnesium

Explanation:

Forms taken up by plants: Mg++ Functions in plants: a part of the chlorophyll molecule -essential in photosynthesis: related to phosphorus metabolism: large quantities found in seed.Mg deficiency symptoms: Mg is mobile, so symptoms occur first in old leaves; A whitish or yellowish striping effect on grasses.

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

1 1530
Q:

The biogas used for cooking is a mixture of which of the following ?

A) Carbon dioxide & oxygen B) Isobutane & propane
C) Methane & carbon monoxide D) Methane & carbon dioxide
 
Answer & Explanation Answer: D) Methane & carbon dioxide

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

4 1530
Q:

Which of the following gas was released during Bhopal gas tragedy?

A) Methyl isocyanate B) Sodium isothiocyanate
C) Nitrogen isothiocyanate D) Potassium isothiocyanate
 
Answer & Explanation Answer: A) Methyl isocyanate

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 1528
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 1527
Q:

______ is used for making chemical apparatus like beakers, flasks etc.

A) Potash glass B) Hard glass
C) Jena glass D) Soda glass
 
Answer & Explanation Answer: B) Hard glass

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 1526
Q:

Which among the following is an example of mixture?

A) Milk B) Gasoline
C) Liquefied petroleum gas D) All options are correct
 
Answer & Explanation Answer: D) All options are correct

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry

1 1521