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Online Tests
Chemistry 9th Class English Medium Unit 1 Online Test MCQs With Answers
Question # 1
The No. of atoms in 1 mole of carbiton is
Choose an answer
6.02 x 1021
6.02 x 1022
6.02 x 1023
6.02 x 1024
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Question # 2
An ion is a charged particles:
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True
False
In some conditions
Never
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Question # 3
H2O is what type of molecules it is:
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Manoatomic
Polyatomic
Pentaatomic
Nil
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Question # 4
One amu (atomic mass unit) is equivalent to:
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1.66x10
-24
mg
1.66x 10
-24
g
1.66x10 g
1.66x10
-23
mg
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Question # 5
_________ can be separated by physical means.
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Mixture
Compound
Solution
Nil
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Question # 6
Scientist used ___________ method.
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Scientific
Non-scientific
Bot
Non
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Question # 7
Na__ Na++ e , what type of ionit is :
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Positive
Negative
Neutral
Charged
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Question # 8
The empirical formula of glucose is
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CHO
CH2O
C2HO
CHO2
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Question # 9
In volvox asexual cell produced:
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Daughter colonies
Sperm
Egg
All
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Question # 10
All chemists invented all except:
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Beakers
Spirit lamp
Funnels
Retorts
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Question # 11
Potassium's atomic no. is :
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17
18
19
20
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Question # 12
Salt & water is a _________ mixture.
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Homogeneous
Heterogeneous
It is not mixture
Nil
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Question # 13
Polyatomic molecules consist of _________ atoms.
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1
More than 1
Less than 1
2
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