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
C. A mixture of Fe2O3, 3H2O and FeO
autogamy
entomophily
anemophily
ornithophily
Silver
Magnesium
Platinium
Mercury
0°C
-4°C
100°C
4°C
A Black solid
A red liquid
A highly inflammable gas
colourless gas insoluble in water
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
Pyrex glass
Soft glass
Flint glass
Jena glass
Orion
Terylene
Rayon
Nylon
Sodium
Cerium
Francium
Lithium
Increases
Remains unaltered
Drops sharply
Decreases
Coulomb
Hum
Cycles
Decible
lion
man
jaguar
cheetah
Platinum
Quartz
gold
Diamond
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
Methane, Butane and Propane
Methane, Ethane and Hexane
Ethane, Hexane and Nonane
Methane, Hexane and Nonane
permeable
semipermeable
selectively permeable
impermeable
Magnetic forces
Gravitational forces
Coulombic forces
Exchange forces
Conversion of nitrogen to nitric acid.
Production of nitrogen from air
Convert the atmospheric nitrogen to effective nitrogen compound.
Liquifaction of nitrogen
Atomic number
Atomic mass
Quantum numbers
None of these
Carbamide
Chloroetane
Aneurin
None of these
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
evaporation
condensation
sublimation
deposition
1H1
1H2
6C12
8O16
2CaSO4, H2O
CaSO4
CaSO4, 2H2O
2CaSO4, 4H2O
Calcium, magnesium and iron
Magnesium, Calcium and tin
Magnesium, tin and iron
Iron, tin and calcium
Atomic warfare
Depletion of earth's ozone layer
CO2 from fossil fuels
Dust clouds from valcanoes
Argon
Vanadium
Iodine
Sulphur
Carbon
Hydrogen
Aluminium
Silicon
Uranium
Plutonium
Thorium
Zirconium
Granulocyte
Neuron
Reticulocyte
Nephron
It activate H2O molecule
Photo-electricity reaction starts
Some of the gas molecules become bigger
It cause combination of oxygen and nitrogen