Epoxy resins is used as
Adhesives
Detergents
Insecticides
Moth repellants
Correct Answer :
A. Adhesives
Related Questions
The smallest functional and structural unit of kidney is called as
Granulocyte
Neuron
Reticulocyte
Nephron
The major ingredient of leather is
Nucleic acid
Carbohydrate
Collagen
Polymer
Which of the following parts of the sun is easily visible only during a total solar eclipse?
core
photosphere
sunspots
corona
The metal used in storage batteries
Zinc
Iron
Copper
Lead
Which of the following is the lightest metal ?
Mercury
Lithium
Lead
Silver
The accumulation of stress along the boundaries of lithospheric plates results in which of the following?
Earthquakes
Magnetic reversals
Hurricanses
Increased deposition of deep-sea sediments
Quartz crystals normally used in quartz clocks etc. is chemically
A mixture of B and C
Silicon dioxide
Germenium dioxide
Sodium Silicate
Which of the following elements is a metal
S
Ga
Se
I
In a certain electronic circuit the output is positive if input 1 is positive and input 2 is zero. If both inputs are positive the output is zero. This is
an AND circuit
an OR circuit
a high-pass filter
a NOR circuit
Water has maximum density at
0°C
-4°C
100°C
4°C
Carbon tetrachloride fire extinguisher should not be used in closed room because it produces poisonous glass called
Carbon Monoxide
Phosgene
Phosphine
None of these
Nitrification means
Conversion of nitrogen to nitric acid.
Production of nitrogen from air
Convert the atmospheric nitrogen to effective nitrogen compound.
Liquifaction of nitrogen
Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of
Sulphonates
Zeolites
Nitrates
None of these
The property of a substance to absorb moisture from the air on exposure is called
Desiccation
Efflorescence
Deliquescene
Osmosis
The fastest acting enzyme in the biological kingdom is
amylase
lipase
carboxypeptidase
carbonic anhydrase
Which of the following is in liquid form at room temperature ?
Sodium
Cerium
Francium
Lithium
The element present in the largest amount in rocks and minerals is
Carbon
Hydrogen
Aluminium
Silicon
Liquefied Petroleum gas (LPG) consists of mainly
Methane, Butane and Propane
Methane, Ethane and Hexane
Ethane, Hexane and Nonane
Methane, Hexane and Nonane
The solar eclipse occurs when
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
In an atomic nucleus, neutrons and protons are held together by
Magnetic forces
Gravitational forces
Coulombic forces
Exchange forces
Which of the following elements is obtained from sea weeds ?
Argon
Vanadium
Iodine
Sulphur
What is the unit for measuring the pitch or frequency of sound ?
Coulomb
Hum
Cycles
Decible
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 metallic constituents of hard water are
Calcium, magnesium and iron
Magnesium, Calcium and tin
Magnesium, tin and iron
Iron, tin and calcium
Permanent hardness of water can be removed by adding
Potassium Permanganate
Bleaching Powder
Chlorine
Washing Soda
The formula of Plaster of Paris is
2CaSO4, H2O
CaSO4
CaSO4, 2H2O
2CaSO4, 4H2O
Glass is made from the mixture of
Quartz and mica
Sand and salt
Sand and silicates
None of these
The colour of Emerald is
Deep Green
Violet
Prussian Blue
Yellow
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 intencity of Earthquakes is measured on
Beaufort scale
Secant scale
Mercalli scale
Richter scale