Beaufort scale
Secant scale
Mercalli scale
Richter scale
Quartz and mica
Sand and salt
Sand and silicates
None of these
Calcium, magnesium and iron
Magnesium, Calcium and tin
Magnesium, tin and iron
Iron, tin and calcium
amylase
lipase
carboxypeptidase
carbonic anhydrase
lion
man
jaguar
cheetah
It activate H2O molecule
Photo-electricity reaction starts
Some of the gas molecules become bigger
It cause combination of oxygen and nitrogen
Carbon dioxide
Hydrogen Sulphide
Oxygen
Nitrogen
1H1
1H2
6C12
8O16
Potassium Permanganate
Bleaching Powder
Chlorine
Washing Soda
Sulphonates
Zeolites
Nitrates
None of these
Cat
Bear
Rabbit
Dog
The varying amount of sunspot activity
The tilt of the earth's rotation relative to the ecliptic as earth revolves around the sun
The earth's orbit around the sun as an exlipse rather than a circle
The rotation of during a 24-hour day
Silver
Magnesium
Platinium
Mercury
Zinc
Iron
Copper
Lead
A mixture of FeO and Fe(OH)2
A mixture of Fe2O3 and Fe(OH)2
A mixture of Fe2O3, 3H2O and FeO
FeO only
Mercury
Lithium
Lead
Silver
Desiccation
Efflorescence
Deliquescene
Osmosis
Nitric oxide
Nitrogen dioxide
Nitrogen pentoxide
Nitrous oxide
autogamy
entomophily
anemophily
ornithophily
core
photosphere
sunspots
corona
None of these
Ultraviolet rays
Infra Red rays
Cosmic Rays
A mixture of B and C
Silicon dioxide
Germenium dioxide
Sodium Silicate
Sodium
Cerium
Francium
Lithium
Carbon
Hydrogen
Aluminium
Silicon
Deep Green
Violet
Prussian Blue
Yellow
Conversion of nitrogen to nitric acid.
Production of nitrogen from air
Convert the atmospheric nitrogen to effective nitrogen compound.
Liquifaction of nitrogen
an AND circuit
an OR circuit
a high-pass filter
a NOR circuit
evaporation
condensation
sublimation
deposition
Pulley
Microscope
Thermemoter
Barometer
2CaSO4, H2O
CaSO4
CaSO4, 2H2O
2CaSO4, 4H2O