Basic Science Elements, Metals & Compound Info Online Quiz Test with Answers Mcqs

Given below on this page is a online general knowledge quiz about various Elements, Metals and Compound which can be used as a guide to evaluate and also improve the level of your information about this topic. As questions related to these are often part of various written exams and interviews so having appropriate amount of knowledge about them is extremely important.

Basic Science Elements, Metals & Compound Info Online Quiz Test with Answers Mcqs

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Basic Science

1. Permanent hardness of water can be removed by adding:

Washing Soda

None of these

Potassium

Chlorine

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Question 1 of 20

2. Diamond is an allotropic form of:

Germanium

Silicon

Silicon

Carbon

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Question 2 of 20

3. Which one of the following is the best conductor of electricity?

Ordinary Water

Rain Water

Sea Water

Boiled Water

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Question 3 of 20

4. Which of the following is an element?

Emerald

Sapphire

Diamond

Ruby

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Question 4 of 20

5. Which form of phosphorous is used in safety matches?

Black phosphorous

Yellow phosphorous

Red phosphorous

White phosphorous

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Question 5 of 20

6. Which is laughing gas?

Sulphur dioxide

Nitrous oxide

Carbon dioxide

Carbon Mono-oxide

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Question 6 of 20

7. Bio gas contains mainly:

Butane

Sodium

Carbon Dioxide

Methane

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Question 7 of 20

8. The element present in the largest amount in rocks and minerals is:

Carbon

Silicon

Hydrogen

Aluminium

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Question 8 of 20

9. Stainless steel is an alloy of:

Iron, carbon and nickel

Iron, chromium and nickel

Iron and manganese

Iron and zinc

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Question 9 of 20

10. Which of the following is used in pencils?

Graphite

Charcoal

Phosphorous

Silicon

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Question 10 of 20

11. Balloons are filled with:

Nitrogen

Argon

Oxygen

Helium

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Question 11 of 20

12. Which metal is used in storage batteries?

Lead

Iron

Copper

Tin

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Question 12 of 20

13. Most soluble in water is:

Common Salt

Camphor

Sugar

Sulphur

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Question 13 of 20

14. From which mineral is radium obtained?

Pitchblende

Haematite

Rutile

Limestone

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Question 14 of 20

15. The most malleable metal is:

Aluminium

Silver

Sodium

Gold

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Question 15 of 20

16. Which one of these is used in beauty parlours for hair setting?

Sulphur

Phosphorus

Silicone

Chlorine

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Question 16 of 20

17. The most abundant metal in the earth's crust is:

Zinc

Copper

Iron

Silicon

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Question 17 of 20

18. Which of the following is the lightest metal?

Silver

Lithium

Lead

Mercury

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Question 18 of 20

19. Water has maximum density at:

100°C

-1°C

4°C

0°C

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Question 19 of 20

20. The gas used to extinguish fire is:

Carbon Dioxide

Neon

Oxygen

Nitrogen

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Question 20 of 20

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