Academic Category


Todays' Thought
By failing to prepare, you are preparing to fail.
- Benjamin Franklin
तैयारी करने में फेल होने का अर्थ है फेल होने के लिए तैयारी करना |
- बेंजामिन फ्रैंकलिन


    Chemistry Question & Answer in English

1.
Who is regarded as father of modern chemistry?
A.  Rutherford
B.  Einstein
C.  Lavoisier
D.  C.V. Raman

2.
The number of electrons and neutrons of an element is 18 and 20 respectively. Its mass number is - 
A.  22
B.  2
C.  38
D.  20

3.
Which of the following is also known as Laughing gas -
A.  Nitric oxide
B.  Nitrous oxide
C.  Nitrogen penta oxide
D.  Nitrogen

4.
Which of the following is not a type of element -
A.  Metals
B.  Non- metals
C.  Gases
D.  Metalloids

5.
pH value of water is -
A.  4
B.  7
C.  12
D.  18

Leave a Comment.....



  Search your topic here