The chemial name of Uria is
Carbamide
Chloroetane
Aneurin
None of these
Correct Answer :
A. Carbamide
Related Questions
The formula of Plaster of Paris is
2CaSO4, H2O
CaSO4
CaSO4, 2H2O
2CaSO4, 4H2O
Cell membrane is
permeable
semipermeable
selectively permeable
impermeable
Which of the following characters is not shown by hydrogen
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
The smallest functional and structural unit of kidney is called as
Granulocyte
Neuron
Reticulocyte
Nephron
The speed of light with the rise in the temperature of the medium
Increases
Remains unaltered
Drops sharply
Decreases
When a gas is turned into a liquid, the process is called
evaporation
condensation
sublimation
deposition
The hardest substance available on earth is
Platinum
Quartz
gold
Diamond
Water has maximum density at
0°C
-4°C
100°C
4°C
Which of the following items will be attracted to the north pole of a permanent magnet by a magnet force?
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
Rust is
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
What is the unit for measuring the pitch or frequency of sound ?
Coulomb
Hum
Cycles
Decible
The recent atomic weight scale is based on
1H1
1H2
6C12
8O16
Earth's seasons are caused by which of the following?
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
Epoxy resins is used as
Adhesives
Detergents
Insecticides
Moth repellants
The most important ore of Aluminium is
Calamine
Calcite
Galena
Bauxite
The oxide of Nitrogen used in medicine as anaesthetic is
Nitric oxide
Nitrogen dioxide
Nitrogen pentoxide
Nitrous oxide
Carbon tetrachloride fire extinguisher should not be used in closed room because it produces poisonous glass called
Carbon Monoxide
Phosgene
Phosphine
None of these
Which of the following parts of the sun is easily visible only during a total solar eclipse?
core
photosphere
sunspots
corona
Apparatus invented by Archimedes is :
Pulley
Microscope
Thermemoter
Barometer
The colour of Emerald is
Deep Green
Violet
Prussian Blue
Yellow
In an atomic nucleus, neutrons and protons are held together by
Magnetic forces
Gravitational forces
Coulombic forces
Exchange forces
The intencity of Earthquakes is measured on
Beaufort scale
Secant scale
Mercalli scale
Richter scale
The element present in the largest amount in rocks and minerals is
Carbon
Hydrogen
Aluminium
Silicon
Quartz crystals normally used in quartz clocks etc. is chemically
A mixture of B and C
Silicon dioxide
Germenium dioxide
Sodium Silicate
The removal of top soil by water or wind is called
Soil erosion
Soil wash
Silting of soil
Soil creep
The type of glass used in making prisms and lenses is
Pyrex glass
Soft glass
Flint glass
Jena glass
The fastest-running terrestrial animal is
lion
man
jaguar
cheetah
Which of the following is commonly called a polyamide ?
Orion
Terylene
Rayon
Nylon
Which of the following is most likely to cause a rise in the average temperature of earth's atmosphere in future?
Atomic warfare
Depletion of earth's ozone layer
CO2 from fossil fuels
Dust clouds from valcanoes
The marine animal called dugong which is vulnerable to extinction is a/an
Amphibian
Shark
Bony fish
Mammal