NSO Level 1- Science Olympiad (SOF) Class 10: Questions 934 - 938 of 986

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Question number: 934

» Carbon and Its Componds

Edit
Match List-Ⅰ List-Ⅱ▾

Question

Match both the column and mark the correct option from the code given below.

List-Ⅰ (Column I)List-Ⅱ (Column II)

(A)

Crystalline

(i)

Alkaline

(B)

Amorphous

(ii)

Charcoal

(C)

Oxidation

(iii)

Graphite

(D)

Combustion

(iv)

Carbon Dioxide

Choices

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

a.

  • (i)
  • (iii)
  • (ii)
  • (iv)

b.

  • (iii)
  • (iv)
  • (i)
  • (ii)

c.

  • (i)
  • (iii)
  • (iv)
  • (ii)

d.

  • (iii)
  • (ii)
  • (i)
  • (iv)

Question number: 935

» Sources of Energy

Edit
MCQ▾

Question

Which is incorrect for advantages of biogas?

Choices

Choice (4)Response

a.

No smoke

b.

All are correct

c.

No ash

d.

Low supply of heat

Question number: 936

» Metals and Non - Metals

Edit
MCQ▾

Question

Which is not an example of native metal?

Choices

Choice (4)Response

a.

Sulphur

b.

Platinum

c.

Carbone

d.

Both a. and c. are correct

Question number: 937

» Acids, Bases and Salts

Edit
MCQ▾

Question

A drop of liquid sample was put on the pH paper. The colour of the pH paper turned red. The liquid sample could be that of

Choices

Choice (4)Response

a.

Dilute hydrochloric acid

b.

Distilled water

c.

Lemon juice

d.

Sodium bicarbonate

Question number: 938

» Light - Reflection and Refraction

Edit
Match List-Ⅰ List-Ⅱ▾

Question

Match the column I and column II and the select the correct option from the coded given below:

List-Ⅰ (Column I)List-Ⅱ (Column II)

(A)

Spherical Mirror

(i)

Rough surface

(B)

Regular reflection

(ii)

Shiny or polished surface

(C)

Irregular reflection

(iii)

Curved reflecting surface

(D)

Plane Mirror

(iv)

Straight and flat surface

Choices

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

a.

  • (iii)
  • (ii)
  • (i)
  • (iv)

b.

  • (i)
  • (iii)
  • (ii)
  • (iv)

c.

  • (ii)
  • (iii)
  • (iv)
  • (i)

d.

  • (iv)
  • (i)
  • (ii)
  • (iii)

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