Calomel is
lead chloride
mercurous chloride
mercuric chloride
calcium sulphate
Correct Answer :
B. mercurous chloride
Related Questions
Hydrogen gas has
a very sweet smell
a very pungent smell
an irritating smell
no smell at all
The rate of setting of cement is slowed down by the addition of
quicklime
gypsum
soda lime
bleaching powder
Radium was isolated from
galena
dolomite
sylvine
pitchblende
The hormone which absorption is increases glucose oxidation and glucose
adrenalin
thyroxin
insulin
epinephrine
An antipyretic is a drug used
in the treatment of malaria
to relieve sleepiness
to induce sleep
to lower body temperature
Rain water collected after a shower la very pure because
the initial showers wash the atmosphere free from most of the impurities
it contains desirable salts like sodium chloride and ammonium nitrate
it dissolves the gases in the atmosphere like ozone which are good for health in small quantities
it is supposed to be 'heaven sent'
A light alloy having high tensile strength is
German silver
solder
magnalium
bell metal
Water has an unusually high bolling point because
its molecular weight is low
it is denser than ice
it is a good solvent for many ionic substances
the molecules of water are joined by hydrogen bonds
The non-metal which is electropositive is
chlorine
nitrogen
sulphur
hydrogen
The substance preserved under water is
potassium
sodium
red phosphorus
white phosphorus
The simplest hydrocarbon is
benzene
methane
ethane
butane
Bordeaux mixture contains
copper sulphate and water
copper sulphate, lime and water
thio-urea and lime
copper sulphate and thio-urea
Consider the following statements: Hard water is not suitable for
1) drinking
2) washing clothes with soap
3) use in boilers
4) irrigating crops
Which of these statements are correct?
1 and 3
2 and 3
1, 2 and 4
1, 2, 3 and 4
Which one of the following metals is used to extract another metal?
Lead
Tin
Zinc
Aluminium
Stainless steel contains steel and
manganese
vanadium
nickel
chromium
Triple Antigen treatment for children is to ward off
whooping cough
tetanus
diphtheria
All the three
A form of carbon which is a good lubricant is
diamond
coke
graphite
charcoal
Leakage in Liquefied Petroleum Gas (LPG) cylinders is easily detected by adding
mercaptans
propylene
carbon disulphide
phosgene
Real gases tend to become ideal Under
low pressure and high temperature
low pressure and low temperature
high pressure and low temperature
high pressure and high temperature
The compound of iron used in the manufacture of blue-black ink is
ferric chloride
ferric sulphate
ferric thiocyanate
ferrous sulphate
Solder is an alloy of
tin and copper
tin and lead
tin and zinc
tin, copper and zinc
A hormone which contains iodine is
adrenalin
glucagon
epinephrin
thyroxin
LSD is
an anaesthetic
a psychedelic drug
an antipyretic
an antibiotic
Annealing of glass is carried out by
rapid cooling
rapid heating
slow cooling
slow heating
The raw materials required for the manufacture of glass are
silica, sodium nitrate and soda ash
silica, limestone and sodium nitrate
silica, sodium oxide and limestone
silica, soda ash and limestone
The pure at form of iron is
wrought iron
steel
pig iron
nickel steel
Gasoline is obtained from crude petroleum by
fractional distillation
fractional crystallisation
sublimation
evaporation
Beri-beri is caused by deficiency of Vitamin
A
C
B12
B1
Which of the following is not a physical change?
Distillation of water
Action of heat on potassium chlorate
Powdering of glass
Burning of an electric lamp
Which of the following la a very good supporter of combustion?
Carbon monoxide
Oxygen
Nitrogen
Hydrogen