Carbon dioxide
Hydrogen Sulphide
Oxygen
Nitrogen
B. Hydrogen Sulphide
A Black solid
A red liquid
A highly inflammable gas
colourless gas insoluble in water
Silver
Magnesium
Platinium
Mercury
Quartz and mica
Sand and salt
Sand and silicates
None of these
Deep Green
Violet
Prussian Blue
Yellow
an AND circuit
an OR circuit
a high-pass filter
a NOR circuit
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
6 feet
6 metres
60 cms
60 feet
Argon
Vanadium
Iodine
Sulphur
Amphibian
Shark
Bony fish
Mammal
Conversion of nitrogen to nitric acid.
Production of nitrogen from air
Convert the atmospheric nitrogen to effective nitrogen compound.
Liquifaction of nitrogen
Soil erosion
Soil wash
Silting of soil
Soil creep
Granulocyte
Neuron
Reticulocyte
Nephron
core
photosphere
sunspots
corona
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
Sulphonates
Zeolites
Nitrates
None of these
autogamy
entomophily
anemophily
ornithophily
Nucleic acid
Carbohydrate
Collagen
Polymer
Carbon Monoxide
Phosgene
Phosphine
None of these
Calcium, magnesium and iron
Magnesium, Calcium and tin
Magnesium, tin and iron
Iron, tin and calcium
Carbamide
Chloroetane
Aneurin
None of these
Adhesives
Detergents
Insecticides
Moth repellants
Mercury
Lithium
Lead
Silver
Atomic number
Atomic mass
Quantum numbers
None of these
Atomic warfare
Depletion of earth's ozone layer
CO2 from fossil fuels
Dust clouds from valcanoes
Earthquakes
Magnetic reversals
Hurricanses
Increased deposition of deep-sea sediments
Methane, Butane and Propane
Methane, Ethane and Hexane
Ethane, Hexane and Nonane
Methane, Hexane and Nonane
styrene
methane
ethylene
acetylene
Magnetic forces
Gravitational forces
Coulombic forces
Exchange forces
Carbon dioxide
Hydrogen Sulphide
Oxygen
Nitrogen
evaporation
condensation
sublimation
deposition