Stainless steel contains steel and
manganese
vanadium
nickel
chromium
Correct Answer :
D. chromium
Related Questions
Diamonds are weighed in
grams
pounds
carats
tons
Bordeaux mixture contains
copper sulphate and water
copper sulphate, lime and water
thio-urea and lime
copper sulphate and thio-urea
Compounds of nitrogen with metals are called
nitrates
nitrites
hyponitrates
nitrides
Apart from lead tetra-ethyl, the other compound used as antiknock is
n-heptane
n-octane
iso-heptane
iso-octane
Tincture iodine is
a disinfectant
an analgesic
a hypnotic
a dye
Lead pencils contain
white lead
graphite
red lead
coke
LSD is
an anaesthetic
a psychedelic drug
an antipyretic
an antibiotic
Calomel is
lead chloride
mercurous chloride
mercuric chloride
calcium sulphate
Which of the following is not an antibiotic?
streptomycin
terramycin
aureomycin
codein
Flint glass contains
potassium and lead silicates
zinc and barium borosilicates
potassium and calcium silicates
sodium and calcium silicates
Which one of the following is used for dry cleaning?
Kerosene oil
Diesel oil
Lubricating oil
Petroleum ether
Two or more entirely different compounds having the same molecular formula are known as
isobars
isotopes
isomorphs
isomers
Oil of winter green contains
acetone
ether
acetic acid
methyl salicylate
Carbogen is used in
CO2 poisoning
CO poisoning
phosgene poisoning
anesthesia
Calamine is a ore of
tine
magnesium
zinc
copper
Metals are usually heavy. A light metal is
manganese
copper
potassium
plumbum
Copper is purified by
poling
tempering
calcination
galvanising
The Long Form of the Periodic Table is based on
atomic number
valency
atomic mass
atomic radius
Clark's method for removal of temporary hardness in water uses
calcium hydroxide
washing soda
calcium chloride
zeolite
The poisonous nature of carbon monoxide is due to
cutting off supply of oxygen
it™s being converted into carbon dioxide
its combination with haemoglobin of blood
its blocking of vocal chords
Which of the following represents a physical change?
sublimation
oxidation
reduction
decomposition
Which of the following is not a chemical change?
Rusting of iron
Burning of magnesium
Sublimation of iodine
Electrolysis of water
The addition of a neutron to the nucleus of an atom
increases the atomic mass of the atom
decreases the atomic mass of the atom
increases the charge on the nucleus
decreases the charge on the nucleus
Which of the following is not an alloy of copper?
Bronze
Brass
Solder
Gun metal
Cholesterol is
a carbohydrate
a protein
a lipid
a hormone
Which of the following is a mixture?
Baking soda
Milk
Chloroform
Copper wire
Marble is
calcium carbonate
sodium carbonate
magnesium sulphate
ferric chloride
Iodine in alcohol is known as
quick lime
tincture iodine
rectified spirit
None of these
Which of the following cannot be used for the preparation of soap?
oleic acid
acetic acid
palmitic acid
stearic acid
A non-material kind of pollution is
land pollution
air pollution
noise pollution
water pollution