NSO Level 1- Science Olympiad (SOF) Class 7: Questions 175 - 179 of 593

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Question number: 175

» Heat

Edit
MCQ▾

Question

Which of the following packaging is most suitable to carry ice for longer distances?

Choices

Choice (4) Response

a.

Thermocole

b.

Sawdust.

c.

Sand

d.

Ice paper

Question number: 176

» Physical and Chemical Changes

Edit
MCQ▾

Question

The ability or inability of a matter to undergo in the transitional change between different states in which the given matter can exist is due to change in which of the following characteristic property?

Choices

Choice (4) Response

a.

Physical property

b.

Physical change.

c.

Chemical property

d.

Chemical change

Question number: 177

» Acids, Bases and Salts

Edit
MCQ▾

Question

Which of the following is a property of acid?

Image shows the acid

Image Shows the Acid

Image shows the acid

Choices

Choice (4) Response

a.

It tastes bitter.

b.

It turns red litmus paper to blue.

c.

It turns blue litmus paper to red.

d.

None of the above

Question number: 178

» Heat

Edit
MCQ▾

Question

Clinical thermometer has which of the following range of temperature?

Clinical thermometer

Clinical Thermometer

Clinical thermometer

Choices

Choice (4) Response

a.

-10o C – 110o C

b.

10o C – 100o C

c.

42o C – 110o C

d.

35o – 42o C

Question number: 179

» Acids, Bases and Salts

Edit
Match List-Ⅰ List-Ⅱ▾

Question

Match the Column I & Column II by selecting the correct option?

List-Ⅰ (Column I) List-Ⅱ (Column II)

(A)

Salt

(i)

HCl

(B)

Base

(ii)

Baking Soda

(C)

Acid

(iii)

NH4Cl

Choices

Choice (4) Response
  • (A)
  • (B)
  • (C)

a.

  • (iii)
  • (i)
  • (ii)

b.

  • (ii)
  • (iii)
  • (i)

c.

  • (iii)
  • (ii)
  • (i)

d.

All of the above

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