NSO Level 1- Science Olympiad (SOF) Class 10: Questions 866 - 871 of 986

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Question number: 866

» Magnetic Effects of Electric Current

Edit
MCQ▾

Question

The magnetic field lines due to a straight wire carrying a current are

Choices

Choice (4) Response

a.

Parabolic

b.

Straight

c.

Circular

d.

Elliptical

Question number: 867

» Metals and Non - Metals

Edit
MCQ▾

Question

Which is not an example of Native Alloys?

Choices

Choice (4) Response

a.

White Gold

b.

German silver

c.

Palladium

d.

Brass

Question number: 868

» Sources of Energy

Edit
Match List-Ⅰ List-Ⅱ▾

Question

Match column I and column II and select the correct option from the codes given below.

List-Ⅰ (Column I) List-Ⅱ (Column II)

(A)

Fossil fuel

(i)

Uranium

(B)

Solar panel

(ii)

Silicon

(C)

Biogas

(iii)

Methane

(D)

Nuclear Fission

(iv)

Petrolium

Choices

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

a.

  • (iv)
  • (ii)
  • (iii)
  • (i)

b.

  • (ii)
  • (iii)
  • (i)
  • (iv)

c.

  • (i)
  • (iii)
  • (iv)
  • (ii)

d.

  • (iv)
  • (ii)
  • (i)
  • (iii)

Question number: 869

» Metals and Non - Metals

Edit
MCQ▾

Question

A mixture of Sodium and Sulphur is mixed with Water. Hydrogen gas is evolved. In this reaction

Choices

Choice (4) Response

a.

Sodium and Sulphur reacts Water

b.

Only Sulphur reacts Water

c.

Only Sodium reacts Water.

d.

None of the above

Question number: 870

» Acids, Bases and Salts

Edit
MCQ▾

Question

The gas evolved when an acid react with a metal Magnesium is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 871

» Metals and Non - Metals

Edit
Match List-Ⅰ List-Ⅱ▾

Question

Match both the columns and mark the correct option from the codes given below:

List-Ⅰ (Column I) List-Ⅱ (Column II)

(A)

Graphite

(i)

Good conductor of electricity

(B)

Mercury

(ii)

Liquid at room temperature while rest are solids.

(C)

Sodium

(iii)

Law density

(D)

Diamond

(iv)

Hardest Substance

Choices

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

a.

  • (iii)
  • (i)
  • (iv)
  • (ii)

b.

  • (iii)
  • (ii)
  • (i)
  • (iv)

c.

  • (i)
  • (ii)
  • (iii)
  • (iv)

d.

  • (ii)
  • (iii)
  • (i)
  • (iv)