Question

Multiple Choice Question
1. Which of the following will conduct electricity?
a. pure water
b. impure water
c. distilled water
d. all the above

2. LED is :-
a. light emitting diode
b. light evolving diode
c. light eliminating diode
d. light entering diode

3. An electrolytic cell converts: -
a. electrical energy to light energy
b. chemical energy to electrical energy
c. chemical energy to light energy
d. electrical energy to chemical energy

4. An electric current is generated due to:
a. flowing protons
b. flowing neutrons
c. flowing electrons
d. all the above

Fill in the blanks

1. An electric current can bring about a change.
2. A when dissolved in water, breaks up into ions.
3. are materials that allow electricity to flow through them

4.__________ are also called as insulators.
5. A source of electricity is called a_______________ .

Answer 1

Answer:

Explanation:

q1 = d

q2=b

q3= d

q4= d

fill up

q1= chemical

q2= iconic compound

q3=conductors

q4= plastic

q5=power plant.

Answer 2

Answer:

MCQS

1) Pure water {a}

2) Light-emitting diode {c}

3) chemical energy to electrical energy {b}

4) flowing electrons{c}

Fill in blanks

1) A chemical change

2) sorry I don't know

3) conductors

4) Plastic , paper and rubber

5) an electrical generator or power plant