Fill in the blanks.. Most liquids that conduct electricity are solutions of …………, ………. and ………….. The passage of an electric current through a solution causes ……………….. effects. If you pass current through copper sulphate solution, copper gets deposited on the plate connected to the ……….. terminal of the battery. The process of depositing a layer of any desired metal on another material by means of electricity is called …………

I want  complete notes on the chapter friction 

In my book subtopics are:

Friction 

Types of friction 

Factors affecting friction 

Methods of reducing friction 

Methods of increasing friction 

Advantages and disadvantages of friction 

Some real life based situation where friction is applied.

How to make a monomer into polymer if it is an addition polymer example

This planet, _______ is yellowish in colour and has many rings and satellites.

A. Uranus

B. Jupiter

C. Neptune

D. Saturn

Pasteurized milk does not need to be boiled. Why?

Write the $pH$ value of the

1. Saliva (before meal)

2. Saliva (after meal)

3. Lemon juice

4. Colourless aerated drink

5. Carrot juice

6. Coffee

7. Tomato juice

8. Tap water