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Chemistry 9th Class English Medium Online Test MCQs With Answers
Question # 1
All Acids turn blue litmus.
Choose an answer
Pink
White
Colourless
Red
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Question # 2
Actinide series starts after the element
Choose an answer
Actinium
Lanthanum
Osmum
Silver
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Question # 3
The forward reaction takes place from
Choose an answer
Right to left
Left to right
Both a and b
None of these
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Question # 4
The atomic radii of the elemtns in periodic table.
Choose an answer
Increase from left to right in a period
Do not chage from left to right in a period
Increase from top to bottom in a group
Decrease from top to bottom in a group
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Question # 5
Noble gases are non -reactive, because they do not.
Choose an answer
Gain electrons
Lose electrons
Share electrons
All of these
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Question # 6
Which of the following is insoluble salt
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KCl
AgCl
NaCl
CaCl2
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Question # 7
John Dalton put forward his atomic theory.
Choose an answer
1800
1803
1805
1903
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Question # 8
Dative covalent bondis also known as
Choose an answer
Covalent bond
Ionic Bond
Metallic Bond
Coordinate covalent bond
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Question # 9
How many electons can be accommodated in S subshell?
Choose an answer
2
6
14
10
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Question # 10
The boiling point of alcohal is
Choose an answer
44
o
C
78
o
C
53
o
C
19
o
C
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Question # 11
Who performed fist experiment to split atom
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Bohr
Newton
Rutherford
Soddy
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Question # 12
Whcih period of the modern periodic table is considered as incomplete period.
Choose an answer
4th
5th
6th
7th
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Question # 13
--------------- of the energy used by traditional electric bulb is wasted in producing heat.
Choose an answer
60%
50%
70%
90%
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