MCQsLoader

An Atom is electrically :

(A) Negative
(B) Positive
(C) Neutral
(D) None of these

Answer: (C) Neutral
An Atom is electrically neutral.

(A) Metallurgy
(B) Refining
(C) Carbonation
(D) Oxidation

Answer: (A) Metallurgy
Extraction of metals from ores is called metallurgy.

(A) 3
(B) 2
(C) 1 , 2
(D) 2 , 3

Answer: (D) 2 , 3
The valency of iron is 2 , 3.

(A) Velocity
(B) Momentum
(C) Speed
(D) Torque

Answer: (A) Velocity
Rate of motion in specific direction is called Velocity.

(A) Al- Beruni
(B) Al Khawarzmi
(C) Ibn -al- Haitham
(D) None of these

Answer: (C) Ibn -al- Haitham
Kitab -Al- Manazir is written by Ibn -al- Haitham.