NSO Level 1- Science Olympiad (SOF) Class 10: Questions 786 - 792 of 986

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Question number: 786

» Chemical Reactions and Equation

Edit
MCQ▾

Question

Which of the following reactions will not occur?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 787

» Metals and Non - Metals

Edit
MCQ▾

Question

In addition to manganese, Duralumin also contains

Choices

Choice (4)Response

a.

Zinc

b.

Tin

c.

Aluminum

d.

Lead

Question number: 788

» Sources of Energy

Edit
MCQ▾

Question

Crude oil is:

Choices

Choice (4)Response

a.

Odorless

b.

Odorless yellow to black liquid

c.

Colorless

d.

Smelly yellow to black liquid

Question number: 789

» Metals and Non - Metals

Edit
MCQ▾

Question

Most abundant metal on earth crust is:

Choices

Choice (4)Response

a.

Potassium

b.

Sodium

c.

Aluminum

d.

Iron

Question number: 790

» Our Environment and Its Management

Edit
MCQ▾

Question

Water harvesting is a method which

Choices

Choice (4)Response

a.

Decrease ground water level

b.

Not practiced in modern days

c.

Has no relation with ground water

d.

Increase ground water level

Question number: 791

» Acids, Bases and Salts

Edit
MCQ▾

Question

The highest ions concentration is one with

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 792

» 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)

Solar power plant

(i)

Heat energy converted into electricity

(B)

Hydro Power Plant

(ii)

Mechanical energy is converted to electrical energy

(C)

Thermal Power Plant

(iii)

Potential energy is converted to kinetic energy

(D)

Wind power plant

(iv)

Steam energy converted into electricity

Choices

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

a.

  • (iv)
  • (iii)
  • (i)
  • (ii)

b.

  • (ii)
  • (i)
  • (iii)
  • (iv)

c.

  • (iv)
  • (i)
  • (ii)
  • (iii)

d.

  • (i)
  • (iii)
  • (iv)
  • (ii)

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