Coulomb
Hum
Cycles
Decible
D. Decible
Sodium
Cerium
Francium
Lithium
Earthquakes
Magnetic reversals
Hurricanses
Increased deposition of deep-sea sediments
permeable
semipermeable
selectively permeable
impermeable
Carbon Monoxide
Phosgene
Phosphine
None of these
None of these
Ultraviolet rays
Infra Red rays
Cosmic Rays
Cat
Bear
Rabbit
Dog
evaporation
condensation
sublimation
deposition
core
photosphere
sunspots
corona
Mercury
Lithium
Lead
Silver
Soil erosion
Soil wash
Silting of soil
Soil creep
Pyrex glass
Soft glass
Flint glass
Jena glass
Atomic number
Atomic mass
Quantum numbers
None of these
Calcium, magnesium and iron
Magnesium, Calcium and tin
Magnesium, tin and iron
Iron, tin and calcium
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
lion
man
jaguar
cheetah
Methane, Butane and Propane
Methane, Ethane and Hexane
Ethane, Hexane and Nonane
Methane, Hexane and Nonane
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
Nucleic acid
Carbohydrate
Collagen
Polymer
Silver
Magnesium
Platinium
Mercury
autogamy
entomophily
anemophily
ornithophily
1H1
1H2
6C12
8O16
An atom
A cation
A molecule
An anion
Coulomb
Hum
Cycles
Decible
Pulley
Microscope
Thermemoter
Barometer
It activate H2O molecule
Photo-electricity reaction starts
Some of the gas molecules become bigger
It cause combination of oxygen and nitrogen
Quartz and mica
Sand and salt
Sand and silicates
None of these
2CaSO4, H2O
CaSO4
CaSO4, 2H2O
2CaSO4, 4H2O
Uranium
Plutonium
Thorium
Zirconium