Which of the following is not an antibiotic?
streptomycin
terramycin
aureomycin
codein
Correct Answer :
D. codein
Related Questions
Setting of cement is due to
hydration
dehydration
dialysis
osmosis
Proteins are polymerisation products of
aldehydes
alkenes
amino acids
alkynes
The simplest hydrocarbon is
benzene
methane
ethane
butane
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
Lead soaps are used in
shaving creams
adhesive tapes
toilet powders
lubricants
An acid which is used as a preservative for pickles is
hydrochloric acid
citric acid
tartaric acid
acetic acid
The gas evolved when ammonium nitrate is heated is
nitrogen
nitric oxide
nitrogen peroxide
nitrous oxide
The carbon cycle ensures that
the percentage of carbon dioxide in air is kept almost constant
air always contains a constant proportion of oxygen
sufficient amounts of carbohydrates are produced
the process of photosynthesis proceeds smoothly
The Carbon dioxide is absorbed by
Palladium
NaCI
KOH
Dilute H2SO4
Argyrol used as eye ointment is a solution of
hydrogen peroxide
silver nitrate
tincture iodine
m-cresol
The artificial silk produced from cellulose is
Polyethylene
Nylon
Terylene
Rayon
The oldest known organic compound is
urea
methane
acetic acid
benzene
Cupellation is used in the purification of
Lead
Tin
Silver
Gold
Galvanising is the process of coating
iron with zinc
zinc with iron
copper with silver
silver with gold
Gold dissolves in aqua regia due to the formation of
chloro auric acid
auric chloride
gold nitrate
aurous chloride
The kinetic energy of gas molecules
is unaffected by temperature variations
decreases with increase of temperature
increases with decrease of temperature
increases with increase of temperature
The soaps used in shaving cream are
calcium soaps
lead soaps
soft soaps
hard soaps
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
Even as early as 3000 BC glass was known to the
Europeans
Egyptians
Asians
Americans
The alloy which is extremely hard and resistant to acids is
chrome steel
silicon steel
stainless steel
invar
Gasoline is obtained from crude petroleum by
fractional distillation
fractional crystallisation
sublimation
evaporation
In the mouth, starch is converted into ______ by the action of saliva.
sucrose
glucose
fructose
mannose
The process of heating steel to bright red heat and cooling suddenly by plunging it into water is known as
annealing
hardening
quenching
tempering
The value of Avogadro Number is
6.023 x 1022
1 x 10-14
cl 6.056 x 10-6
6.023 x 1023
What is 'oxygen mixture'?
A mixture of potassium nitrate and carbon
A mixture of ammonium chloride and sodium nitrate
A mixture of potassium chlorate and manganese dioxide
A mixture of ammonium nitrate and charcoal
The earliest name given to nitrogen was
dephlogisticated air
azote
inflammable air
marine acid air
The principle involved in dialysis, a treatment administered to patients with affected kidneys is
Cataphoresis
Osmosis
Dehydration
Diffusion
The flux added in the blast furnace is
Limestone
FeO
SiO2
MgO
Laughing gas is
nitric oxide
nitrogen peroxide
nitrogen pentoxide
nitrous oxide
Which of the following is used in fuel to propel rockets?
Petrol
Kerosene
Hydrazine
Alcohol