General Science

Atoms and Atom Model
Protons and neutrons have
charge
mass
energy
sound
Author: rikazzz Comment
Solutions
The color of concentrated copper sulphate solution appears
light blue
dark blue
violet
indigo
Author: rikazzz Comment
Electric Circuits and Currents
Besides heat and light, electricity is also used in
decaying
vaporizing
crushing
decomposing
Author: rikazzz Comment
Particle Model of Matter
When matter changes its state
no new substances are formed
arrangement of particles is changed
motion of particles is changed
all of them
Author: rikazzz Comment
Reproduction in Plants
Asexual reproduction is also known as
anti-sexual reproduction
unisexual reproduction
vegetative reproduction
non vegetative reproduction
Author: rikazzz Comment
Mixtures
In clean air, the composition of oxygen by volume is
0.2095
0.78
0.009
0.0003
Author: rikazzz Comment
Investigating Space
Within seconds of explosion, atomic particles come together to make gases
oxygen and hydrogen
hydrogen and nitrogen
hydrogen and helium
oxygen and nitrogen
Author: rikazzz Comment
Dispersion of Light
If light enters any substance with refractive index, it is
perpendicular
at a certain angle
parallel
at critical angle
Author: rikazzz Comment
Sound Waves
A strong beam of ultrasound can melt even a
glass
metal
soap
wax
Author: rikazzz Comment
Reproduction in Plants
Insects pollinated flowers face
upwards
downwards
left
right
Author: rikazzz Comment

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