Which metal is used as a reducing agent in Smelting______?

Related Mcqs:

1. Which of the following is the weakest reducing agent ?

   A. HF
   B. HBr
   C. HC
   D. HI

2. In whole Periodic Table which element Is Most Reducing Agent ?

   A. Chlorine
   B. lithium
   C. Helium
   D. Neon

   Submitted by: Ali Jan

3. Stronger is the oxidizing agent greater is the___________________?

   A. Oxidation potential
   B. Redox potential
   C. e.m.f of cell
   D. standard reduction potential

4. Stronger the oxidizing agent greater is the________________?

   A. Oxidation potential
   B. Reduction potential
   C. Redox potential
   D. emf of cell

5. The most powerful oxidizing agent among the halogens is__________________?

   A. F2
   B. Cl2
   C. Br2
   D. I2

6. The most commonly used bleaching agent is_________?

   A. alcohol
   B. carbon dioxide
   C. chlorine
   D. sodium chlorine

   Submitted by: Muhammad Ali Kunbhar

7. Fruit juices and fizzy drinks such as lemonade are often sold in aluminium cans. What is the most important reason aluminium is a suitable metal ?

   A. aluminium can be recycled
   B. aluminium has very low density
   C. aluminium is the most abundant metal in the earth crust
   D. aluminium is resistant to corrosion by organic acids.

8. The oxidation number of central metal atom in [Ni(CO)4] is_________________?

   A. 0
   B. 2
   C. 4
   D. 6

9. Which one of the following is not an alkali metal ?

   A. Francium
   B. Caesium
   C. Rubidium
   D. Radium

10. Boron is non-netal whereas A1 is metal. It is due to_______________________?

    A. Small size
    B. High nuclear charge
    C. Both A and B
    D. No authorized justification yet