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Chemistry 9th Class English Medium Online Test MCQs With Answers
Question # 1
Platinum alloyed with which metal is used as catalyst in automobiles as atalytic covertor.
Choose an answer
Gold
Rhodium
Palladium
Both a and b
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Question # 2
How many electrons can be accommodated at the most in the third shell of the elements.
Choose an answer
8
10
18
32
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Question # 3
All Acids turn blue litmus.
Choose an answer
Pink
White
Colourless
Red
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Question # 4
Proton are feflected toward plate.
Choose an answer
Positive
Negative
Both a and b
None of these
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Question # 5
Whcih branches of chemistry deals with the changes that occur in atomic nuclei.
Choose an answer
Environmental chemistry
nuclear chemistry
Astrochemistry
Bio chemistry
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Question # 6
According to Rutherford's atomic theory, atom should produce.
Choose an answer
Line spectrum
Continuous spectrum
Both a and b
None of these
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Question # 7
Elements of a period show properties.
Choose an answer
Same
Different
Both a and b
None of these
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Question # 8
Nitrogen molecule contains.
Choose an answer
Polar covalent bond
Triple Covalent bond
Double covalent bond
Single covalent bond
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Question # 9
Keeping in view the intermolecular forces of attraction, indicate which compound has the highest boiling point
Choose an answer
H
2
S
HF
NH
3
H
2
O
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Question # 10
Rutherford used a gold foil in his experiment, which had a tickness of
Choose an answer
0,0002 cm
0,0001 cm
0.001 cm
0.00004cm
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Question # 11
Atom is electrically
Choose an answer
Positive particle
Negaitve particle
Neutral particle
None of these
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Question # 12
Empirical formula of hydrogen peroxide.
Choose an answer
HO
CO
CHO
CH
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Question # 13
Malleability is the property by virtue of which a metal can be drawn into.
Choose an answer
Rods
Plates
Sheets
Wires
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