Chemical Effects of Electric Current

Write down your name .............

To test weather a liquid allows electric current to pass through it or not, we can use a _______________.

• Cell

• Tester

• Bulb

The bulb glows when the electric current pass through it due to _______________.

____________ glows even when a weak electric current flows through it.

• LED

• Fluorescent

• Mercury

In 1800,a British chemist __________ had shown that if electrodes were immersed in water and a current was passed bubbles of oxygen and hydrogen were produced.

• William Shakesphere

• William Nicholoson

• William Dornet

Identify the picture

• Electric Circuit

• Electroplating

• Chemical Reaction

Which of the following are poor conductors of electricity?

• Metal

• Rubber

• Copper

• Plastic

What does this Picture Show ?

• Electroplating

• Electric Current

• Chemical Effects

Distilled Water Conducts Electricity (True/False)

Does Vinegar conduct electricity ?

• Yes

• No