GK Quiz on Science: Chemistry Set XIV

GK Quiz on Science: Chemistry Set XIV, in this set you will find repository of 10 Multiple Choice Questions that will help you to attune and equipped for different competitive examinations as well as academic examinations.

1. The basis of the classification of the element in the modern periodic table is:

A. Atomic number

B. Atomic mass

C. Atomic volume

D. Atomic density

2. Which of the following is the heaviest metal?

A. Silver

B. Gold

C. Mercury

D. Platinum

3. Which of the following is the lightest metal?  

A. Magnesium

B. Aluminium

C. Platinum

D. Lithium

4. Which of the following is the lightest element?  

A. Hydrogen

B. Helium

C. Mercury

D. Platinum

5. Which of the following is the most fundamental property of the element?

A. Atomic weight

B. Molecular weight

C. Atomic number

D. Atomic density

6. The process employed to remove the magnetic impurities from the Ores is called:

A. Gravity separation process

B. Magnetic separation process

C. Forth floatation process

D. Physical process

7. The concentration process of sulphide ores is:

A. Gravity separation process

B. Magnetic separation process

C. Forth floatation process

D. Physical process

8. The main ore of the mercury is:

A. Cinnabar

B. Pyrite

C. Bauxite

D. Pyrolusite

9. The element radium was extracted from:

A. Lime stone

B. Pinch blend

C. Retile

D. Haematite  

10. Aluminium metal is extracted mainly from its ore:

A. Magnetite

B. Bauxite

C. Dolomite

D. Lime Pigment