NSO Level 1- Science Olympiad (SOF) Class 7: Questions 295 - 301 of 597

Access detailed explanations (illustrated with images and videos) to 597 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Unlimited Access for Unlimited Time!

View Sample Explanation or View Features.

Rs. 350.00 or

How to register?

Question number: 295

» Physical and Chemical Changes

Edit
MCQ▾

Question

Which of the following is a chemical change?

Choices

Choice (4)Response

a.

Tearing of a paper

b.

Burning of a candle

c.

Melting of ice

d.

None of the above

Question number: 296

» Heat

Edit
MCQ▾

Question

Heat is the movement of which of the following?

Choices

Choice (4)Response

a.

Protons

b.

Neutrons

c.

Cells

d.

Molecules

Question number: 297

» Acids, Bases and Salts

Edit
MCQ▾

Question

Calamine is applied for ant bites because it contains which of the following?

Choices

Choice (4)Response

a.

CaCO3

b.

NaOH

c.

ZnCO3

d.

H2SO4

Question number: 298

» Heat

Edit
MCQ▾

Question

Which of the following is the S. I. unit of temperature?

Choices

Choice (4)Response

a.

Fahrenheit

b.

Kelvin

c.

Celsius

d.

Question does not provide sufficient data or is vague

Question number: 299

» Physical and Chemical Changes

Edit
MCQ▾

Question

Physical changes are always ________.

Different states of matter

Different States of Matter

Choices

Choice (4)Response

a.

Reversible.

b.

Temporary.

c.

Irreversible.

d.

Permanent.

Question number: 300

» Fibre to Fabric

Edit
MCQ▾

Question

Which described a fabric as following?

Image showing the fabric

Image Showing the Fabric

  • It absorbs moisture (hygroscopic fibre).

  • Takes dyes deeply.

  • Obtain from Sheep.

  • Fibre is durable and flexible.

Choices

Choice (4)Response

a.

Wool

b.

Nylon

c.

Cotton

d.

Silk

Question number: 301

» Heat

Edit
MCQ▾

Question

Select the correct option which is true about clinical thermometer and Laboratory thermometer.

Choices

Choice (4)Response

a.

Lab thermometer is used to measure body temperature.

b.

The temperature range in both the thermometer is same.

c.

Clinical thermometer is provided with a kink.

d.

Question does not provide sufficient data or is vague

Developed by: