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Online Tests
Chemistry 9th Class English Medium Online Test MCQs With Answers
Question # 1
How is radio carbon dating useful for archeolgists.
Choose an answer
It helps detemine whether the matter is radioactie or not
It helps determine the age of organic matter
It helps determine the composition of matter
It helps deterime the usefulness of matter
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Question # 2
The part of the universe that we want to focus our attention called.
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Surrounding
Energy
System
Both a and b
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Question # 3
Rutherford used a gold foil in his experiment, which had a tickness of
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0,0002 cm
0,0001 cm
0.001 cm
0.00004cm
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Question # 4
Which state of matter has fixed shape and volume?
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Liquid
Solid
Gas
All of these
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Question # 5
What information was obtained fom discharge tube expriments?
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Electrons and protons were discovered
Structur eof atom was discovered
Neutrons and protons were discovered
Presence of nucleus in an atom was discovered
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Question # 6
The characteristics of reversible reactions are the following except.
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Product nver recombine to form reactants
They never complete
They have a double arrow between reactants and products
The proceed in both ways
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Question # 7
A substance formed when two or more different elements combine chemically.
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Compund
Solution
Element
Atom
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Question # 8
A substance whcih can behave as an acid as well as a base is called
Choose an answer
Amphoteric specie
Acid
Base
Neutral specie
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Question # 9
How many state of matter exist.
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One
Two
Three
Four
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Question # 10
Noble gases are non -reactive, because they do not.
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Gain electrons
Lose electrons
Share electrons
All of these
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Question # 11
The fore of attraction betwene water molecule is.
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Ionic bonding
Covalent bonding
Hydrgen Bonding
Co ordinate Covalent bonding
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Question # 12
Which branch of chemistry helps to protectwater that bas been poisoned by soil.
Choose an answer
Organic chemistry
inorganic chemistry
Environmenal chemistry
Geochemistry
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Question # 13
Which compound is used a thinner is paint industry?
Choose an answer
H2O
C2H3OH
CH3COOC2H5
CH3COOH
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