Bromine is
A Black solid
A red liquid
A highly inflammable gas
colourless gas insoluble in water
Correct Answer :
B. A red liquid
Related Questions
Water has maximum density at
0°C
-4°C
100°C
4°C
Which of the following elements is non-radioactive?
Uranium
Plutonium
Thorium
Zirconium
The speed of light with the rise in the temperature of the medium
Increases
Remains unaltered
Drops sharply
Decreases
Which of the following parts of the sun is easily visible only during a total solar eclipse?
core
photosphere
sunspots
corona
Permanent hardness of water can be removed by adding
Potassium Permanganate
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Washing Soda
The marine animal called dugong which is vulnerable to extinction is a/an
Amphibian
Shark
Bony fish
Mammal
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
Bromine is
A Black solid
A red liquid
A highly inflammable gas
colourless gas insoluble in water
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
According to Daltons atomic theory the smallest particle which can exist independently is
An atom
A cation
A molecule
An anion
Nitrification means
Conversion of nitrogen to nitric acid.
Production of nitrogen from air
Convert the atmospheric nitrogen to effective nitrogen compound.
Liquifaction of nitrogen
The oxide of Nitrogen used in medicine as anaesthetic is
Nitric oxide
Nitrogen dioxide
Nitrogen pentoxide
Nitrous oxide
Glass is made from the mixture of
Quartz and mica
Sand and salt
Sand and silicates
None of these
Which of the following elements is obtained from sea weeds ?
Argon
Vanadium
Iodine
Sulphur
The chemial name of Uria is
Carbamide
Chloroetane
Aneurin
None of these
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
Quartz crystals normally used in quartz clocks etc. is chemically
A mixture of B and C
Silicon dioxide
Germenium dioxide
Sodium Silicate
The metal used in storage batteries
Zinc
Iron
Copper
Lead
Pollination by birds is called
autogamy
entomophily
anemophily
ornithophily
Which of the following elements is a metal
S
Ga
Se
I
The element present in the largest amount in rocks and minerals is
Carbon
Hydrogen
Aluminium
Silicon
Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of
Sulphonates
Zeolites
Nitrates
None of these
Polythene is industrially prepared by the polymerisation of
styrene
methane
ethylene
acetylene
The property of a substance to absorb moisture from the air on exposure is called
Desiccation
Efflorescence
Deliquescene
Osmosis
Which of the following is in liquid form at room temperature ?
Sodium
Cerium
Francium
Lithium
The hardest substance available on earth is
Platinum
Quartz
gold
Diamond
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
Which of the following is the lightest metal ?
Mercury
Lithium
Lead
Silver