Which of following metals can be displaced by all other metals from its solution ?

Related Mcqs:

1. 58.5g of of NaCl per 1 dm3 of solution of NaCl in water the concentration of solution will be___________________?

   A. 0.1 M
   B. 1 m
   C. 1 M
   D. 0.1 N

2. When 0.01 moles of NaOH are added to a buffer solution, its PH changes from 4.745 to 4.832. What is its?

   A. 0.115
   B. 0.900
   C. 0.015
   D. 0.215

   Submitted by: Muhammad Ali Kunbhar

3. A solution has pH = 0 its H+ ion concentration is__________________?

   A. 1 x 10-1
   B. 1 x 10-14
   C. 1 x 10-7
   D. 1

4. Which one of the following sets consists of all coinage metals ?

   A. Cu Hg Au
   B. Cu Ag Au
   C. Ag Au Hg
   D. Cu Fe Au

5. Which one of the following alkali metals forms only normal oxide when it reacts with O2 ?

   A. Lithium
   B. Sodium
   C. Potassium
   D. Rubidium

6. Which of the following statements is false about transition metals?

   A. They form complexes
   B. They show variable valency
   C. All transition metal compounds are paramagnetic
   D. They form coloured ions

   Submitted by: Muhammad Ali Kunbhar

7. A method of separation of components from its solution using Distribution law is ___________________?

   A. Sublimation
   B. Crystallisation
   C. Solvent extraction
   D. Distillation

8. Separation of a solid from its hot saturated solution by cooling is called__________________?

   A. vapourization
   B. solvent extraction
   C. filtration
   D. crystallization

9. If the volume of solution is equal to sum of volumes of its all components then the solution_____________?

   A. will be an ideal solution
   B. will be non-ideal solution
   C. will show deviations from Raoults law
   D. both b & c

10. When electrons collide with heavy metals than ___________ are produced?

    A. Beta-rays
    B. Alpha-rays
    C. X-rays
    D. Gamma-rays