Sawaal

 Chemistry Questions

Popular Latest Rated
Q:

What element behaves most like magnesium?

A) Silicon B) Strontium
C) Sulphur D) Tin
 
Answer & Explanation Answer: B) Strontium

Explanation:

We know that, Elements in the same group of the periodic table have similar characteristics.

Here Magnesium and Strontium shared some similar properties because they both belong to the same group. Sr is the chemical symbol for strontium which is a group two element; it has atomic number of 38. 

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

5 5868
Q:

Cathode rays have

A) mass only B) charge only
C) no mass and no charge D) mass and charge both
 
Answer & Explanation Answer: D) mass and charge both

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry

7 5842
Q:

The first indication that a stable nucleus can be broken down was afforded by

A) Rutherford B) Madam Curie
C) Soddy D) Schmidt
 
Answer & Explanation Answer: A) Rutherford

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry

12 5832
Q:

Which combination will produce a precipitate?

A) NaOH (aq) and HCl (aq) B) KOH (aq) and Mg(NO3)2 (aq)
C) NaC2H3O2(aq) and HCl (aq) D) AgNO3(aq) and Ca(C2H2O3) (aq)
 
Answer & Explanation Answer: B) KOH (aq) and Mg(NO3)2 (aq)

Explanation:

In chemistry, a precipitate is an insoluble solid that emerges from a liquid solution. The emergence of the insoluble solid from solution is called precipitation.

Which_combination_will_produce_a_precipitate1558607544.jpg image

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: AIEEE , CAT
Job Role: Analyst

5 5788
Q:

A yellow element that stinks when burned

A) Sulphur B) Chlorine
C) Fluorine D) Bromine
 
Answer & Explanation Answer: A) Sulphur

Explanation:

Sulphur is an yellow element that stinks when burned.

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

3 5725
Q:

Neutron was discovered by

A) J.J.Thomson B) Chadwick
C) Rrutherford D) Priestley
 
Answer & Explanation Answer: B) Chadwick

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry

8 5698
Q:

Select the correct statement (s).

A) When energy is transferred to the system from the surrounding as work, the surrounding do work on the system and the value of work (W) positive. B) When energy is transferred from the system to the surrounding as work, work is done on the surrounding and the value of W is negative.
C) Both (A) and (B) D) None of the above
 
Answer & Explanation Answer: C) Both (A) and (B)

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: AIEEE

13 5659
Q:

The element common to all acids is

A) Hydrogen B) Oxygen
C) carbon D) Sulphur
 
Answer & Explanation Answer: A) Hydrogen

Explanation:

Hydrogen is the common element in all acids.

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

4 5654