Chemical Effects of Electric Current-Do Liquids Conducts Electricity? [CBSE (Central Board of Secondary Education) Class-8 Science]: Questions 1 - 5 of 5

Choose Programs:

🎯 465 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)

Rs. 300.00 -OR-

3 Year Validity (Multiple Devices)

CoverageDetailsSample Explanation

Help me Choose & Register (Watch Video) Already Subscribed?

Question 1

Statement True-False▾

Does distilled water conduct?

Choices

Choice (4)Response

a.

False

b.

True

c.

None of the above

d.

All of the above

Edit

Question 2

Question MCQ▾

LED is defined as:

Choices

Choice (4)Response

a.

Light emitting diode

b.

Insulator

c.

Lead

d.

Electrode

Edit

Question 3

Question MCQ▾

Substances which allow the current to pass through them are:

Choices

Choice (4)Response

a.

Semi-Conductors

b.

Conductors

c.

Insulators

d.

Question does not provide sufficient data or is vague

Edit

Question 4

Question MCQ▾

It is quite possible that even though the liquid allows the electric current to pass through it, the circuit is complete and the bulb does not glow can you reason out why?

Choices

Choice (4)Response

a.

If opposition is large current is small

b.

If opposition offered by the substance is small the current will be large and bulb glows

c.

If the current in the circuit is too small the filament of the bulb does not get heated to a high temperature and bulb does not glow

d.

Both a. and c. are correct

Edit

Question 5

Question MCQ▾

Liquids which conduct electricity are:

Choices

Choice (4)Response

a.

Solutions of bases

b.

Salt solution

c.

Solution of acids

d.

All a., b. and c. are correct

Edit