Calcium, magnesium and iron
Magnesium, Calcium and tin
Magnesium, tin and iron
Iron, tin and calcium
A. Calcium, magnesium and iron
evaporation
condensation
sublimation
deposition
Amphibian
Shark
Bony fish
Mammal
1H1
1H2
6C12
8O16
Quartz and mica
Sand and salt
Sand and silicates
None of these
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
2CaSO4, H2O
CaSO4
CaSO4, 2H2O
2CaSO4, 4H2O
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
Methane, Butane and Propane
Methane, Ethane and Hexane
Ethane, Hexane and Nonane
Methane, Hexane and Nonane
None of these
Ultraviolet rays
Infra Red rays
Cosmic Rays
A Black solid
A red liquid
A highly inflammable gas
colourless gas insoluble in water
autogamy
entomophily
anemophily
ornithophily
Silver
Magnesium
Platinium
Mercury
An atom
A cation
A molecule
An anion
Carbon dioxide
Hydrogen Sulphide
Oxygen
Nitrogen
Sulphonates
Zeolites
Nitrates
None of these
Deep Green
Violet
Prussian Blue
Yellow
Cat
Bear
Rabbit
Dog
Increases
Remains unaltered
Drops sharply
Decreases
Atomic number
Atomic mass
Quantum numbers
None of these
0°C
-4°C
100°C
4°C
Sodium
Cerium
Francium
Lithium
Argon
Vanadium
Iodine
Sulphur
Calcium, magnesium and iron
Magnesium, Calcium and tin
Magnesium, tin and iron
Iron, tin and calcium
Nitric oxide
Nitrogen dioxide
Nitrogen pentoxide
Nitrous oxide
Platinum
Quartz
gold
Diamond
Carbon
Hydrogen
Aluminium
Silicon
6 feet
6 metres
60 cms
60 feet
Conversion of nitrogen to nitric acid.
Production of nitrogen from air
Convert the atmospheric nitrogen to effective nitrogen compound.
Liquifaction of nitrogen
Calamine
Calcite
Galena
Bauxite
Carbamide
Chloroetane
Aneurin
None of these