Hypo' is
sodium nitrate
Potassium nitrate
sodium thiosulphate
ammonium chloride
Correct Answer :
C. sodium thiosulphate
Related Questions
Iodine in alcohol is known as
quick lime
tincture iodine
rectified spirit
None of these
A mixture of ethyl alcohol and water can be separated by
evaporation
sublimation
using a separating funnel
fractional distillation
Triple Antigen treatment for children is to ward off
whooping cough
tetanus
diphtheria
All the three
Metals are usually heavy. A light metal is
manganese
copper
potassium
plumbum
Cinnabar is an ore of
lead
zinc
mercury
chromium
Which one of the following metals is used to extract another metal?
Lead
Tin
Zinc
Aluminium
Which of the following is not an antibiotic?
streptomycin
terramycin
aureomycin
codein
The sugar which is used in silvering mirrors is
sucrose
maltose
glucose
fructose
Which of the following act a both u oxidising and reducing agent?
nitric acid
ammonia
nitrous acid
nitrogen peroxide
Which one of the following is present in the largest amount in terms of per cent by mass in the earth's crust?
Silicon
Oxygen
Carbon
Calcium
Annealing of glass is done in
a cupel
a long narrow chamber
an open furnace
a closed furnace
Which of the following is used as an illuminant?
Gasoline
Benzoline
Kerosene
Petroleum ether
Solid carbon dioxide (Dry ice) is also known as
Thiokol
Drikold
Perhydrol
Mannitol
White lead is
a basic salt
an acid salt
a double salt
a normal salt
Marsh gas is
ethane
ethylene
acetylene
methane
Which of the following is an essential constituent of acids?
Oxygen
Nitrogen
Hydrogen
Chlorine
Methylated spirit is a mixture of
methyl alcohol and acetic acid
methyl alcohol and ethyl alcohol
ethyl alcohol and pyridine
methyl alcohol and pyridine
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
The atomic number of an element represents
number of neutrons in the nucleus
number of protons and neutrons in the nucleus
the valency of the element
number of protons in the nucleus
Diamonds are weighed in
grams
pounds
carats
tons
Acute diabetes patients smell of
acetone
ether
ethyl alcohol
methyl alcohol
Lead pencils contain
white lead
graphite
red lead
coke
The compound of iron used in the manufacture of blue-black ink is
ferric chloride
ferric sulphate
ferric thiocyanate
ferrous sulphate
The principle involved in dialysis, a treatment administered to patients with affected kidneys is
Cataphoresis
Osmosis
Dehydration
Diffusion
High temperature thermometers use
sodium amalgam
an alloy of sodium and potassium
silver amalgam
calcium amalgam
Compounds containing only carbon and hydrogen are called
carbohydrates
carbides
hydrocarbons
carbonyls
Nitrous oxide used as anaesthetic is usually mixed with
ethyl alcohol
chloroform
oxygen
methyl alcohol
Plaster of Paris
contracts while setting
expands while setting
is highly volatile
does not suffer any changes in volume while setting
A compound used both as a fungicide and as a disinfectant is
chlorine
carbon monoxide
sulphur dioxide
o-cresol
Which of the following is not a chemical change?
Rusting of iron
Burning of magnesium
Sublimation of iodine
Electrolysis of water