JUNIOR CHEMISTRY: SOLUTION 1

 
FILM                        PRINT
 
1. Decide: true or false?

a. Molecular solutions are electrolytes.

b. Distilled water is an electrolyte.

c. Acids are strong electrolytes and their pH is between 0-4.

d. Most molecular solutions are colourless in nature.

e. Bases have pH lower than 7 and they are not electrolytes.

f. Sucrose, being a molecular compound dissolved in water, doesn't conduct very well.

 

2. Answer the questions:

a. What kinds of chemical compounds are strong electrolytes?

b. What's the difference between a negative ion and a neutral ion?

 

3. Give examples for:

a. Weak acids which are poor electrolytes:

  • .......................... .

b. Strong acids which are strong electrolytes:

  • .......................... .
  • .......................... .
  • .......................... .