Worksheetschemical effects of electricity
Total questions: 14
Worksheet time: 7mins
Which of the following is inflammable Substances?
Petrol
Wood
Paper
Straw
10.The liquids that conduct electricity are solutions of acids,bases and salts in water
true
false
Which one of the following solutions will not conduct electricity?
lemon juice
vinegar
tap water
vegetable oil
Flow of electrons is called
Electrode
Electrolyte
Electric current
Electroplating
Adding common salt to distilled water makes it
Good Conductor
Poor Conductor
No change
Both A and B
LED stands for
light emitting diode
light efficient diode
length emitting diode
light emitting device
Which of the following metals is used in electroplating to make objects appear shining?
Iron
Copper
Chromium
Aluminium
On passing electricity through copper sulphate solution.
copper is formed at anode.
copper is formed at cathode
oxygen is formed at anode.
hydrogen is formed at cathode.
An electrolyte is a
solid that conducts electricity.
liquid that conducts electricity and breaks up chemically in the process.
liquid that does not conduct electricity.
solid that does not conduct electricity.
Which of the following is not a conductor of electricity?
tap water
salt water
petrol
lime juice
Electric current is the flow of particles with
a negative charge.
a positive charge.
both positive and negative charges flowing opposite to each other.
either positive or negative charge depending on the material.
When a liquid conducts electricity, a process other than conduction also takes place. What process is this?
electrolysis
electrochemical reaction
electroplating
oxidation
Conduction of electricity in liquids occurs through electrons.
True
False
Which of these will conduct electricity
tap water
distilled water
