tricky science Quiz
Question Number 1
What is the atomic no of nitrogen atom ?
A. 5
B. 2
C. 3
D. 4
E. 6
F. 7
Question Number 2
What is the formula of aluminium ?
A. au
B. am
C. ccl
D. al
Question Number 3
The nucleus of an atom consists of
A. electrons and neutrons
B. electrons and protons
C. protons and neutrons
D. All of the above
Question Number 4
The metallurgical process in which a metal is obtained in a fused state is called
A. smelting
B. roasting
C. calcinations
D. froth floatation
E. all of the above
F. none of the above