A piece of iron that is not a permanent magnet
The north pole of another permanent magnet
A positively charged glass rod
A negatively charged rubber rod
A. A piece of iron that is not a permanent magnet
permeable
semipermeable
selectively permeable
impermeable
Nitric oxide
Nitrogen dioxide
Nitrogen pentoxide
Nitrous oxide
A piece of iron that is not a permanent magnet
The north pole of another permanent magnet
A positively charged glass rod
A negatively charged rubber rod
6 feet
6 metres
60 cms
60 feet
autogamy
entomophily
anemophily
ornithophily
Quartz and mica
Sand and salt
Sand and silicates
None of these
Uranium
Plutonium
Thorium
Zirconium
Sulphonates
Zeolites
Nitrates
None of these
Pulley
Microscope
Thermemoter
Barometer
2CaSO4, H2O
CaSO4
CaSO4, 2H2O
2CaSO4, 4H2O
Pyrex glass
Soft glass
Flint glass
Jena glass
Potassium Permanganate
Bleaching Powder
Chlorine
Washing Soda
an AND circuit
an OR circuit
a high-pass filter
a NOR circuit
Mercury
Lithium
Lead
Silver
Granulocyte
Neuron
Reticulocyte
Nephron
evaporation
condensation
sublimation
deposition
Deep Green
Violet
Prussian Blue
Yellow
None of these
Ultraviolet rays
Infra Red rays
Cosmic Rays
the sun comes in between the moon and the earth
the moon comes in between the sun and the earth
the earth comes in the between the sun and the moon
None of the above
Conversion of nitrogen to nitric acid.
Production of nitrogen from air
Convert the atmospheric nitrogen to effective nitrogen compound.
Liquifaction of nitrogen
Calcium, magnesium and iron
Magnesium, Calcium and tin
Magnesium, tin and iron
Iron, tin and calcium
Argon
Vanadium
Iodine
Sulphur
Amphibian
Shark
Bony fish
Mammal
Desiccation
Efflorescence
Deliquescene
Osmosis
An atom
A cation
A molecule
An anion
Carbon
Hydrogen
Aluminium
Silicon
lion
man
jaguar
cheetah
Carbon dioxide
Hydrogen Sulphide
Oxygen
Nitrogen
A Black solid
A red liquid
A highly inflammable gas
colourless gas insoluble in water
Earthquakes
Magnetic reversals
Hurricanses
Increased deposition of deep-sea sediments