General Science

Atoms Molecules and Ions
The major part of an atom is
empty
filled
charged
covered
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Simple Chemical Reactions
The change which is not accompanied by formation of new substance is called a
physical change
chemical change
complex change
electrical change
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Electric Circuits and Currents
A good permanent magnet should produce a high magnetic field with a
high mass
low mass
dense mass
thick mass
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Solutions
The acid which is used to make fizzy drinks, is
citrus acid
acetic acid
citric acid
carbonic acid
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Solutions
The bee sting is acidic in nature which can be neutralized and made less painful by applying
soap
lemon juice
vinegar
antacid
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Electric Circuits and Currents
Inserting any part of human body to the socket can cause him
illness
a nasty shock
paralysis
unconsciousness
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Atoms and Atom Model
The groups of elements and compounds are called
atoms
ions
molecules
allotropes
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Heat Transfer
In medicine thermograph is used to
identify bacteria
identify infected tissues
kill infected cells
identify damaged parts of an organ
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Heat Transfer
‘Metals’ are the best
insulators of heat
conductors of heat
conductors of light
insulators of electricity
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Dispersion of Light
We can see things because light
is absorbed by objects
enters our eyes
reflects from our eyes
is colorless
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