NSO Level 1- Science Olympiad (SOF) Class 10: Questions 955 - 959 of 986

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Question number: 955

» Magnetic Effects of Electric Current

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MCQ▾

Question

The direction of the force on a current-carrying wire placed in a magnetic field depends on

Choices

Choice (4)Response

a.

The direction of current as well as field

b.

The direction of the current

c.

Neither the direction of current nor the direction of field

d.

The direction of the field

Question number: 956

» Metals and Non - Metals

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MCQ▾

Question

An element reacts with oxygen. During this reaction, heat and light energy is released. This compound is also insoluble in water. The elements is likely to be

Choices

Choice (4)Response

a.

Carbon

b.

Iron

c.

Calcium

d.

Silicone

Question number: 957

» Our Environment and Its Management

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MCQ▾

Question

Narmada Bachao Andolan was also known as

Choices

Choice (4)Response

a.

Save Narmada

b.

Expand Narmada

c.

Clean Narmada

d.

All of the above

Question number: 958

» Acids, Bases and Salts

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MCQ▾

Question

Which of the following is not example of pH of Salts?

Choices

Choice (4)Response

a.

Sodium hydroxide

b.

Bleaching powder

c.

Baking soda

d.

All a. , b. and c. are correct

Question number: 959

» Chemical Reactions and Equation

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Match List-Ⅰ List-Ⅱ▾

Question

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

List-Ⅰ (Column I)List-Ⅱ (Column II)

(A)

(i)

Combination

(B)

(ii)

Decomposition

(C)

(iii)

Oxidation

(D)

(iv)

Displacement

Choices

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

a.

  • (iv)
  • (iii)
  • (ii)
  • (i)

b.

  • (iii)
  • (i)
  • (iv)
  • (ii)

c.

  • (ii)
  • (i)
  • (iv)
  • (iii)

d.

  • (iii)
  • (ii)
  • (i)
  • (iv)

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