General Science

Investigating Space
The star “Sirius” belongs to a constellation named
Orion
Canis Major
Aquarius
Taurus
Author: rikazzz Comment
Importance of Water
Fluoride is also added to water, which helps in preventing
infection
sickness
fever
tooth decay
Author: rikazzz Comment
Elements and Compounds
Metals are good conductors of heat and electricity. They have high
densities
melting point
boiling point
all of them
Author: rikazzz Comment
Dispersion of Light
The name given to a change in speed of light is known as
reflection
critical change
refraction
diffraction of light
Author: rikazzz Comment
Particle Model of Matter
A liquid cannot be
compressed
changed in to any shape
boiled
moved
Author: rikazzz Comment
Electric Circuits and Currents
When electrons vibrate fast, some of the electrical energy is changed to
light energy
thermal energy
kinetic energy
potential energy
Author: rikazzz Comment
Atoms and Atom Model
Carbon is represented by
C
Na
K
Mg
Author: rikazzz Comment
Atoms Molecules and Ions
An atom is itself an entity and by charge it is
neutral
positive
negative
retrograde
Author: rikazzz Comment
Investigating Space
The smaller stars live for much
longer period
shorter period
both a and b
lesser period
Author: rikazzz Comment
Energy Resources
‘Fossils fuel’ is regarded as an energy resource which is
renewable
non renewable
generating
producing
Author: rikazzz Comment

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