NSO Level 1- Science Olympiad (SOF) Class 7: Questions 301 - 305 of 593

Access detailed explanations (illustrated with images and videos) to 593 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 350.00 or

How to register?

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

Question number: 302

» Physical and Chemical Changes

Edit
MCQ▾

Question

Zinc is used for coating of which of the following metal pipes to prevent it from corrosion?

Choices

Choice (4) Response

a.

Iron

b.

Aluminum.

c.

Copper

d.

Silver

Question number: 303

» Acids, Bases and Salts

Edit
MCQ▾

Question

If a solution has following properties

  1. It tastes bitter.

  2. It turns red litmus to blue.

  3. The pH is 8.5.

Select the correct option for the solution with the above given properties.

Choices

Choice (4) Response

a.

Salt

b.

Acid

c.

Base

d.

None of the above

Question number: 304

» Acids, Bases and Salts

Edit
MCQ▾

Question

Which of the following images show the titration results for Methyl red as an indicator?

Choices

Choice (4) Response

a.

Images show the titration results : Choice A

Images Show the Titration Results: Choice A

Images show the titration results

b.

Images show the titration results : Choice B

Images Show the Titration Results: Choice B

Images show the titration results

c.

Images show the titration results : Choice C

Images Show the Titration Results: Choice C

Images show the titration results

d.

None of the above

Question number: 305

» Physical and Chemical Changes

Edit
MCQ▾

Question

What happens to metal placed in an acidic solution?

Choices

Choice (4) Response

a.

Holes in the metal

b.

No changes in the metal.

c.

Color of metal changes

d.

Question does not provide sufficient data or is vague

Developed by: