Student Corner

1. Mohr salt is:

A. Simple salt

B. Hybrid salt

C. Double salt

D. Complex salt

2. Hydrogen is the most fundamental component of all the acid, it is firstly stated by:

A. Arrhenius

B. Bronsted

C. Devi

D. Lori

3. In which of the following silver is not to be present?

A. Horn silver

B. German silver

C. Ruby silver

D. Lunar caustic

4. The gaseous law of diffusion was propounded by:

A. Boyle

B. Charles

C. Avogadro

D. Grahm

5. The smoke is the example of:

A. the solution of solid in the liquid

B. the solution of liquid in the liquid

C. the solution of solid in the gas

D. the solution of gas in the liquid

6. The air is the example of:

A. the solution of solid in the gas

B. the solution of gas in the gas

C. the solution of liquid in the gas

D. the solution of liquid in the solid

7. The alloys are:

A. the solution of solid in the solid

B. the solution of solid in the liquid

C. the solution of gas in the liquid

D. the solution of gas in the gas

8. The milk is the example of:

A. Solution

B. Colloidal solution

C. Emulsion

D. Air-solution

9. The pH value of any solution is 6 then the hydrogen ion concentration in the solution would be:

A. 10^-6M

B. 10^-10M

C. 10¹⁰M

D. 10⁶M

10. The hydrogen ions concentration in any solution is 10-4 M the concentration of hydroxyl ions in it would be:

A. 10^-4

B. 10^-14  

C. 10^-10

D. 10⁴