NSO Level 1- Science Olympiad (SOF) Class 8: Questions 977 - 981 of 1178

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Question 977

Question MCQ▾

A device which resembles a screwdriver with a bulb in the handle is as

Choices

Choice (4)Response

a.

Diode

b.

Tester

c.

Compass box

d.

Question does not provide sufficient data or is vague

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Question 978

Question MCQ▾

The crust of the earth is composed of several pieces of land mass. These pieces are called

Choices

Choice (4)Response

a.

Tectonic plates

b.

Earth plates

c.

Fish plate

d.

Crust plates

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Question 979

Appeared in Year: 2012

Question MCQ▾

Given below are few statements.

I. When rubbed on fingers, bases give a soapy feeling.

II. The salt produced in neutralization reaction may be acidic, basic, or neutral.

III Antacids are acids used to treat acidity and indigestion.

Select the correct option.

Choices

Choice (4)Response

a.

I is correct

b.

I, II and III are correct.

c.

I and III are correct

d.

I and II are correct

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Question 980

Question MCQ▾

The object to be electroplated is connected to the

Choices

Choice (4)Response

a.

Negative terminal

b.

Any of the terminals

c.

Positive terminal

d.

All of the above

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Question 981

Appeared in Year: 2012

Question MCQ▾

A candle is placed before a thick plane mirror . when looked obliquely in the mirror a number of images are seen from the surface of the plane mirror . which of the following statements is correct?

Choices

Choice (4)Response

a.

First image is brightest

b.

Third image is brightest

c.

Second image is brightest

d.

All images are equally bright

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