General Science

Heat Transfer
If we stir a cup of hot coffee with a plastic spoon, the handle of the spoon will
get hot
remain cold
change its shape
remain unchange
Author: rikazzz Comment
Heat Transfer
Heat doesn’t flow through
wind
air
vacuum
energy
Author: rikazzz Comment
Atoms Molecules and Ions
As compare to hydrogen atom, helium atom is
very small
very massive
medium in mass fraction
same in volume
Author: rikazzz Comment
Investigating Space
The gas will slowly disappear and be left only in the
center of sun
crust of sun
mantle of sun
sunspots
Author: rikazzz Comment
Dispersion of Light
If a ray of light enters water at an angle of 40 degree, it will be
refracted
reflected
internally reflected
distributed
Author: rikazzz Comment
Digestive System
Eating food quickly stimulates the production of
saliva
enzymes
acid and gastric juice
alkali
Author: rikazzz Comment
Physical and Chemical Changes
The reaction of ‘magnesium’ with air is
exothermic reaction
endothermic reaction
reversible reaction
substitution reaction
Author: rikazzz Comment
Importance of Water
As the water evaporates, due to cold air it
drops back
condenses
turns into liquid
turns in gas
Author: rikazzz Comment
Investigating Space
Space is getting bigger and galaxies are
coming closer
moving apart
expanding as well
shrinking instead of expanding
Author: rikazzz Comment
Electric Circuits and Currents
The SI unit for electric current is
joule
watt
volt
ampere
Author: rikazzz Comment

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