A non-metal which is a good conductor of electricity is
graphite
phosphorus
sulphur
iodine
Correct Answer :
A. graphite
Related Questions
The human body contains about
50% water
10% water
70% water
20% water
Cinnabar is an ore of
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zinc
mercury
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NaCI
KOH
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Which of the following is not an antibiotic?
streptomycin
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aureomycin
codein
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nitrogen
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hydrogen
Which one of the following is used for dry cleaning?
Kerosene oil
Diesel oil
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acetamide phenol
malonyl urea
aminosalicylic acid
acetyl salicylic acid
Iron is coated with zinc to prevent rusting. The process is called
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tempering
calcining
galvanising
Gasoline is obtained from crude petroleum by
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sublimation
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Tincture iodine is a solution of
iodine in potassium iodide
iodine in alcohol
iodine in water
iodine in carbon disulphide
BHC is a
Rodenticide
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Pesticide
Fungicide
Rayon la made from
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cellulose
silk
Harmful bacteria in drinking water cannot be destroyed by
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A mixture of naphthalene and sand is separated by
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The kinetic energy of gas molecules
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decreases with increase of temperature
increases with decrease of temperature
increases with increase of temperature
The neutron was discovered by
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Which among the following is a solid non-metal?
chlorine
mercury
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iodine
If people sleep in closed rooms where charcoal fire is burning, they die due to
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carbon dioxide
methane
phosgene
Artificial diamonds were produced by
Moissan
Davy
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The percentage of silver in German silver is
ten
twenty
zero
fifty
The discoverer of chloroform was
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Pasteur
Bunsen
Erlenmeyer
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evaporation
sublimation
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fractional distillation
A drug that is usually administered for malaria is
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quinine
methicillin
novocaine
Which of the following cannot be used for the preparation of soap?
oleic acid
acetic acid
palmitic acid
stearic acid
An important use of nitrous acid is in
the manufacture of explosives
the manufacture of dyes
refrigerators
the preparation of drugs
Plaster of Paris
contracts while setting
expands while setting
is highly volatile
does not suffer any changes in volume while setting
CAN is used as (Calcium Ammonium Nitrate)
an explosive
a fertilizer
a dye
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Galvanising is coating Iron with
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zinc
chromium
copper
The gas used in balloons in the place of hydrogen is
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