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Online Tests
Chemistry 9th Class English Medium Unit 8 Online Test MCQs With Answers
Question # 1
The earth is made up of ____________ % of aluminum.
Choose an answer
6
7
8
9
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Question # 2
Which one of the following is brittle?
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Sodium
Aluminum
Selenium
Magnesium
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Question # 3
The colour of calcium metal flame is
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Golden yellow
Brilliant white
Brick red
Light green
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Question # 4
The core of the earth is mostly made from ____________
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Nickel
Iron
A % B
Copper
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Question # 5
Which one of the following non-metal is lustrous?
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Sulphur
Phosphorus
Iodine
Carbon
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Question # 6
Pure alkali metals can be cut simply by knife but iron cannot because of alkali metals have:
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Strong metallic bonding.
Weak metallic bonding
Non- metallic bonding
Moderate metallic bonding
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Question # 7
Sodium is exterminate reactive metal, but it does not react with:
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Hydrogen
Nitrogen
Sulphur
Phosphorus
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Question # 8
Non-metals do not reaction with
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Strong bases
Concentrated acids
Dilute acids
Salts
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Question # 9
Which one metal can be cut with a knife?
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Na
Mg
AI
Ca
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Question # 10
Non-metals are generally soft, but which one of the following is extremely hard?
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Graphite
Phosphorus
Iodine
Diamond
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Question # 11
Which one of the following metals burns with a brick red flame?
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Sodium
Magnesium
Iron
Calcium
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Question # 12
Which one is the following belongs no Noble Gases?
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O
F
Ne
Nil
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