NSO Level 1- Science Olympiad (SOF) Class 10: Questions 962 - 966 of 986

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Question number: 962

» Sources of Energy

Edit
MCQ▾

Question

Choose correct disadvantage/ (s) of geothermal energy is/are

Choices

Choice (4) Response

a.

Expensive

b.

Only few sites available for harnessing energy

c.

High installation cost

d.

All a. , b. and c. are correct

Question number: 963

» Carbon and Its Componds

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MCQ▾

Question

 Image shown the reaction of Formic acid with NaOH

Image Shown the Reaction of Formic Acid with NaOH

The reaction of Formic acid with NaOHshown in figure.

In this reaction which of the following is evolved?

Choices

Choice (4) Response

a.

And Water

b.

Water

c.

d.

Hydrogen

Question number: 964

» Light - Reflection and Refraction

Edit
Match List-Ⅰ List-Ⅱ▾

Question

Match the column I and column II for Image formation by a convex lens and the select the correct option from the coded given below:

List-Ⅰ (Column I) List-Ⅱ (Column II)

(A)

Between

(i)

Beyond

(B)

At infinity

(ii)

At focus

(C)

Beyond

(iii)

At

(D)

At

(iv)

Between

Choices

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

a.

  • (i)
  • (ii)
  • (iv)
  • (iii)

b.

  • (iii)
  • (ii)
  • (iv)
  • (i)

c.

  • (iv)
  • (i)
  • (iii)
  • (ii)

d.

  • (i)
  • (ii)
  • (iii)
  • (iv)

Question number: 965

» Acids, Bases and Salts

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MCQ▾

Question

What gas is evolved when reaction of hydrochloric Acid and Sodium hydroxide takes place?

Choices

Choice (4) Response

a.

Oxygen gas

b.

Water

c.

Hydrogen gas

d.

Question does not provide sufficient data or is vague

Question number: 966

» Our Environment and Its Management

Edit
MCQ▾

Question

Disposable plastic plates should not be used because

Choices

Choice (4) Response

a.

They are made of materials with lightweight

b.

They are made of biodegradable materials

c.

They are made of toxic materials

d.

They are made of non-biodegradable materials