General Science

Investigating Space
‘SOHO’ will take the pictures and send them back to
Moon
Mars
Earth
Sun
Author: rikazzz Comment
Sound Waves
Sounds are chiefly produced by
friction
energy
vibration
disturbance
Author: rikazzz Comment
Electric Circuits and Currents
When William turned the switch on, the bar of iron became a
magnet
metal
metalloid
transition metal
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Solutions
When copper sulphate solution is added to sodium hydroxide solution, it gives off pale blue cloudy suspension of
copper hydroxide
copper oxide
copper chloride
copper metal
Author: rikazzz Comment
Electric Circuits and Currents
Coating an object such as key or nail with a thin layer of metal is a process called
electrolysis
electro coating
electroplating
electronic induction
Author: rikazzz Comment
Reproduction in Plants
When animals eat fruits, the seeds are not digested due to
hard coat on them
indigestion
lack of digestive juices
digestive system
Author: rikazzz Comment
Investigating Space
When energy is produced, a gas emits. This gas is called
helium gas
hydrogen gas
nitrogen gas
oxygen gas
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Physical and Chemical Changes
Ethene dichloride splits up to form
dichloride gas
vinyl ethene gas
vinyl chloride gas
diethene gas
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Dispersion of Light
The index that identifies each object is known as
rare active index
refractive index
reflective index
bending index
Author: rikazzz Comment
Electric Circuits and Currents
The inert gas in the bulb filament is
neon
argon
xenon
radon
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