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Online Tests
Chemistry 9th Class English Medium Online Test MCQs With Answers
Question # 1
Uni of electron affinity is.
Choose an answer
k J mol-1
k jmol
pm
Newton
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Question # 2
Whcih term is the same for one mole of oxgen and one mole of water.
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atoms
mass
Molecules
Volume
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Question # 3
How many moles are there in 25 g of H
2
SO
4
?
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0.765 Moles
0.255 moles
0.4 moles
0.51 moles
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Question # 4
How many electrons can nitrogen accept in its outermost shell.
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2
3
4
5
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Question # 5
The study of theinteraction between drugs and biological targets, as wellas the development of new medicinal agents.
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Inorganic Chemistry
Organic chemistry
Medicinal Chemistry
Environmental chemistry
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Question # 6
The solubility of which salt decreases with the increase of temperture.
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KNO3
Li2SO4
KCl
NaNO3
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Question # 7
At what temperature , rate of ammonia formation and decomposition is the highest.
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200
o
C
300
o
C
400
o
C
500
o
C
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Question # 8
When an electronegative element combines with electrpositive element, the type of bonding. is.
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Covalent
Polar Covalent
Ionic
Coorinae Covalent
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Question # 9
The colour of hydrated copper (II) sulphate solid is.
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Black
Pink
White
Blue
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Question # 10
Who performed fist experiment to split atom
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Bohr
Newton
Rutherford
Soddy
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Question # 11
A covalent bond formed by the mutual sharing of two pairs of electrons between bonded atoms is called.
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Signle covalent bond
Double covalent bond
Triple covalent bond
Polar covalent bond
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Question # 12
Proton are feflected toward plate.
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Positive
Negative
Both a and b
None of these
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Question # 13
A reaction between an acid and a base produces
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Salt and an acid
Sald and base
Salt and water
Salt and gas
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