Metals and Non - Metals (NSO Level 1- Science Olympiad (SOF) Class 10): Questions 1 - 7 of 60

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Question number: 1

» Metals and Non - Metals

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MCQ▾

Question

In addition to copper, brass also contains

Choices

Choice (4) Response

a.

Aluminum

b.

Zinc

c.

Lead

d.

Tin

Passage

Direction: Read the following passage and answer the question.

A silvery metal that resists corrosion even at high temperatures.

Metal is used in batteries, metal is resists corrosion and is used to plate other metals to protect them. Metal has a long history of being used in coins.

Other hand non-metal is colorless, odorless gas that is totally unreactive.

Non-metal is used as a cooling medium. Moreover, because of its low density non-metal is often used to fill decorative balloons, weather balloons and airships.

Question number: 2 (1 of 3 Based on Passage) Show Passage

» Metals and Non - Metals

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MCQ▾

Question

Among the following choices, the non-metal is

Choices

Choice (4) Response

a.

Argon

b.

Radon

c.

Helium

d.

Phosphorus

Question number: 3 (2 of 3 Based on Passage) Show Passage

» Metals and Non - Metals

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MCQ▾

Question

Among the following choices, which is not correct?

Choices

Choice (4) Response

a.

Non-metal has low melting and boiling points

b.

Metal react with oxygen to form basic oxides

c.

Non-metal Dull sound when hit with hammer

d.

Metal React with oxygen to form acidic oxides

Question number: 4 (3 of 3 Based on Passage) Show Passage

» Metals and Non - Metals

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MCQ▾

Question

Among the following choices, the metal is

Choices

Choice (4) Response

a.

Nickel

b.

Iron

c.

Zinc

d.

Gallium

Question number: 5

» Metals and Non - Metals

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MCQ▾

Question

Electrolysis is used for the extraction of metal ore from which metals?

Choices

Choice (4) Response

a.

Sodium

b.

Zinc

c.

Potassium

d.

All a. , b. and c. are correct

Question number: 6

» Metals and Non - Metals

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MCQ▾

Question

In 18 carats gold, percentage of mixed pure gold and other metal is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 7

» Metals and Non - Metals

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MCQ▾

Question

Iron sulphate was taken in two test tubes. Zinc and aluminum were added in these tubes. After reaction colour of Zinc and aluminum is

Choices

Choice (4) Response

a.

Blue and Green

b.

Light green and reddish brown

c.

Colorless and Colorless

d.

None of the above

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