Which of the following is not a food material?
silicate
protein
fat
carbohydrate
Correct Answer :
A. silicate
Related Questions
One method by which the components of air can be separated is
shaking with caustic soda solution
shaking with water
fractional distillation of liquid air
passing air over heated magnesium
Plastics are synthetic
rubbers
fibres
resins
sugars
Physico-chemical characteristics of water in water sources undergo changes due to
aquatic macrophytes
aquatic fungi
effluents
evapotranspiration
Which one of the following gases is extremely soluble in water?
Carbon dioxide
Ammonia
Chlorine
Hydrogen sulphide
Jeweller's rouge is
magnetic oxide of iron
ferric oxide
ferrous oxide
ferrous carbonate
Ozone is an allotrope of Oxygen, containing ______ atom/s of oxygen per molecule instead of two.
three
four
one
five
Solid carbon dioxide is used
as a drying agent
as a refrigerant
as an antiseptic
as a bleaching agent
The simplest hydrocarbon is
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methane
ethane
butane
Which of the following is not an antibiotic?
streptomycin
terramycin
aureomycin
codein
Invar, used for making pendulums is an alloy of steel with
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nickel
manganese
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The gas which has a faint sweet odour is
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nitrous oxide
nitric oxide
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Which of the following is not an alloy of copper?
Bronze
Brass
Solder
Gun metal
Fructose is also called
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fruit sugar
beet sugar
blood sugar
Which or the following is not a constituent or gun powder?
Ammonium nitrate
Nitre
Charcoal powder
Sulphur
Bordeaux mixture contains
copper sulphate and water
copper sulphate, lime and water
thio-urea and lime
copper sulphate and thio-urea
Leakage in Liquefied Petroleum Gas (LPG) cylinders is easily detected by adding
mercaptans
propylene
carbon disulphide
phosgene
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sodium bicarbonate
carbon dioxide
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The form of carbon used in decolourising sugar solution is
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animal charcoal
coconut charcoal
lamp black
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ammonia
ammonium nitrate
ammonium chloride
ammonium nitrite
The alloy added in the preparation of steel contains
Fe and C
Mn and C
Fe and Mn
Fe, Mn and C
Beri-beri is caused by deficiency of Vitamin
A
C
B12
B1
Reduction involves
loss of electrons
gain of electrons
gain of oxygen
removal of hydrogen
The rate of setting of cement is slowed down by the addition of
quicklime
gypsum
soda lime
bleaching powder
Ozone occurs in the upper layers of air in the atmosphere because
it is lighter than air
in the lower layers it becomes unstable
ultra-violet light is present only in the upper layers
it mixes freely with O2 in the upper layers
The scientist associated with the discovery of the nucleus was
Rutherford
Moseley
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J.J. Thomson
Coke is a substance obtained
from coal mines
when wood is burnt in excess of air
by heating coal out of contact with air
by heating wood out to contact with air
Hypo' is
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Potassium nitrate
sodium thiosulphate
ammonium chloride
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Polyethylene
Nylon
Terylene
Rayon
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Priestley
Dalton
Avogadro
A non-material kind of pollution is
land pollution
air pollution
noise pollution
water pollution