Chapter 14 – Chemical Effects of Electric Current

The negative charged ions are called:

Kerosene is:

Magnetic compass connected In a circuit is used to check:

LED glows:

Which of the following is a good conductor of electricity:

When current flows through a conducting solution than the electrode connected to the negati’wc terminal of the battery is called :

Cathode is the electrode connected to the negative terminal of the battery.

Current is the flow of:

A battery is used to:

When electric current is passed through the copper sulphate solution, copper sulphate dissociates into:

The cans, used for storing food, are made by electroplating ……………. on to irons

……………….. is deposited on Iron used in bridges and automobiles to protect it from corrosion and formation of rust.

Car parts, bath taps, kitchen gas burners, bicycle handlebars arc electroplated with:

A tester is used to check the conduction of electricity through two liquids, labelled A and B. It is found that the bulb of the tester glows brightly for liquid. A white it glows very dimly for liquid H. You would conclude that:

Which one is the conductor

The process in which a chemical change takes place in a substance, when electric current is passed through it is called:

Electroplating is a process which is:

Which of the fallowing liquid is poor conductor:

The substance which is conductor of electricity is:

We use magnetic needle to find the effect of:

If a switch has some sparking, we will switch it off with the help of:

During electroplating in CuSO4, (Copper sulphate) solution …………………. will get deposit on electrode at negative terminal.

Electroplating is a method of:

Which one of the following is the insulator:

Which liquid do not conduct electricity?

An electrolyte is:

Adding lime water to tap water makes it:

The positive charged ions are called:

Which of the following does not conduct electricity?

An electric current can produce

Pure or distilled water is a