Punjab 9th Class Chemistry Model Paper 8 Mcqs Test Online

Question 1 of 36

Chemistry

1. Human body is composed of nearly _________ elements:

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Question 2 of 36

2. Most reactive non-metal is:

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Question 3 of 36

3. Which one of the following non-metals is extremely hard?

Diamond

Iodine

Graphite

Phosphorus

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Question 4 of 36

4. Percentage of oxygen in the atmosphere is:

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Question 5 of 36

5. Nitrogen found in air is:

79%

78%

81%

80%

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Question 6 of 36

6. Most heavy metal is:

Osium

Lead

Lithium

Copper

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Question 7 of 36

7. Sodium is extremely reactive but it does not react with:

Sulphur

Hydrogen

Phosphorus

Nitrogen

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Question 8 of 36

8. Most active metal is:

Sesium

Potasium

Sodium

Calcium

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Question 9 of 36

9. Metals can form ions carrying charges:

Di-positive

Tri-positive

All of these

Uni-positive

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Question 10 of 36

10. Which element is less electropositive?

Sodium

Cesium

Lithium

Potassium

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Question 11 of 36

11. Most precious metal is:

Silver

Aluminum

Platinum

Iron

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Question 12 of 36

12. Which of metal is not solid:

Iron

Gold

Tin

Mercury

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Question 13 of 36

13. Density of metals is:

None

Low

Very Low

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Question 14 of 36

14. Which metal is good conductor of heat and electricity:

Griphite

Phosphorus

Sulphur

Nitrogen

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Question 15 of 36

15. Is a noble metal?

Air

Gold

Water

Slat

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Question 16 of 36

16. __________ metal is brittle?

Magnesium

Aluminum

Sodium

Salenium

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Question 17 of 36

17. The least conductor of heat is:

Iron

Silver

Lead

Gold

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Question 18 of 36

18. Chlorie does not react with methane:

Sunlight

In Darkness

In light

Both A and B

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Question 19 of 36

19. Pure Gold is:

24 Carrt

22 Carrt

21 Carrt

25 Carrt

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Question 20 of 36

20. Is a non-metal?

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Question 21 of 36

21. Density of metals is:

None

High

Very high

Low

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Question 22 of 36

22. Density of osium is:

22.5dm⁻³

22.5m²

22.5gcm⁻³

22.5cm⁻³

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Question 23 of 36

23. Sodium is very reactive metal but it does not react?

Hydrogen

Phosphorus

Sulphur

Nitrogen

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Question 24 of 36

24. Oxides of metals are:

Amphoteric

Basic

Acidic

Neutral

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Question 25 of 36

25. Oxygen found in ocean by percentage:

87%

86%

85%

88%

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Question 26 of 36

26. Which one of the following Non-metal is lustrous?

Phosphorus

Carbon

Sulphur

Iodine

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Question 27 of 36

27. Pure gold is shown in:

Centimeter

Carrot

Gram

Kilogram

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Question 28 of 36

28. Zinc metal can release electrons from its valance shell:

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Question 29 of 36

29. Metal which is mostly used:

Lead

Iron

Tin

Sodium

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Question 30 of 36

30. Most reactive metal is?

Calcium

Potasium

Sesium

Sodium

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Question 31 of 36

31. Least reactive noble metal is:

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Question 32 of 36

32. How many blocks are in modern periodic table?

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Question 33 of 36

33. Which one of the following metal is malleable:

Iron

Sodium

Gold

Silver

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Question 34 of 36

34. Which crystalline is Solid?

Rubber

Glass

Diamond

Plastic

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Question 35 of 36

35. Which one of the following is a metal?

Carbon

Nitrogen

Hydrogen

Magnesium

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Question 36 of 36

36. Which one of the following metal burns with a brick red flame?

Sodium

Iron

Magnesium

Calcium

Question 36 of 36

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