Sulphonates
Zeolites
Nitrates
None of these
B. Zeolites
Pyrex glass
Soft glass
Flint glass
Jena glass
Carbamide
Chloroetane
Aneurin
None of these
Platinum
Quartz
gold
Diamond
Carbon
Hydrogen
Aluminium
Silicon
Earthquakes
Magnetic reversals
Hurricanses
Increased deposition of deep-sea sediments
Increases
Remains unaltered
Drops sharply
Decreases
Amphibian
Shark
Bony fish
Mammal
Atomic warfare
Depletion of earth's ozone layer
CO2 from fossil fuels
Dust clouds from valcanoes
amylase
lipase
carboxypeptidase
carbonic anhydrase
It activate H2O molecule
Photo-electricity reaction starts
Some of the gas molecules become bigger
It cause combination of oxygen and nitrogen
Argon
Vanadium
Iodine
Sulphur
Conversion of nitrogen to nitric acid.
Production of nitrogen from air
Convert the atmospheric nitrogen to effective nitrogen compound.
Liquifaction of nitrogen
styrene
methane
ethylene
acetylene
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
Calcium, magnesium and iron
Magnesium, Calcium and tin
Magnesium, tin and iron
Iron, tin and calcium
A Black solid
A red liquid
A highly inflammable gas
colourless gas insoluble in water
Beaufort scale
Secant scale
Mercalli scale
Richter scale
6 feet
6 metres
60 cms
60 feet
Cat
Bear
Rabbit
Dog
None of these
Ultraviolet rays
Infra Red rays
Cosmic Rays
Potassium Permanganate
Bleaching Powder
Chlorine
Washing Soda
core
photosphere
sunspots
corona
autogamy
entomophily
anemophily
ornithophily
Quartz and mica
Sand and salt
Sand and silicates
None of these
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
Deep Green
Violet
Prussian Blue
Yellow
Sulphonates
Zeolites
Nitrates
None of these
Silver
Magnesium
Platinium
Mercury
Atomic number
Atomic mass
Quantum numbers
None of these
It burns in air to form water
It supports combustion
It readily combines with fluorine and chlorine
It combines with almost all metals forming hydrides