Academic Category

Todays' Thought
To invent, you need a good imagination and a pile of junk.
- Thomas A. Edison
आविष्कार करने के लिए, आपको एक अच्छी कल्पना और कबाड़ के ढेर की जरूरत होती है |
- थॉमस ए. एडीसन

    Chemistry Question & Answer in English

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

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

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

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

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