A non-material kind of pollution is
land pollution
air pollution
noise pollution
water pollution
Correct Answer :
C. noise pollution
Related Questions
Artificial diamonds were produced by
Moissan
Davy
Faraday
Marie Curie
The number of neutrons in the nucleus of an atom of mass A and atomic number Z is given by
A - Z
A + Z
Z
A
The purest form of carbon is
animal charcoal
coal
wood charcoal
sugar charcoal
An essential condition for rusting is
high temperature
light
moisture
dry air
A burning substance which continues to burn in a jar of carbon dioxide is
zinc
red phosphorus
magnesium
sulphur
A form of carbon which is a good lubricant is
diamond
coke
graphite
charcoal
Soda-water contains
sodium bicarbonate
sodium carbonate
carbonic acid
sodium hydroxide
Ascorbic acid is the chemical name for
Vitamin B6
Vitamin C
Vitamin K
Vitamin D
Riboflavin deficiency causes
tongue inflammation
pellagra
night blindness
anaemia
The pure at form of iron is
wrought iron
steel
pig iron
nickel steel
Annealing of glass is done in
a cupel
a long narrow chamber
an open furnace
a closed furnace
The malarial parasite was discovered by
Sir Ronald Ross
Sir Francis Haig
Dr Jagadish Chandra Bose
Sir CV Raman
Stainless steel contains steel and
manganese
vanadium
nickel
chromium
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
Which of the following is not a chemical change?
Burning of magnesium ribbon in air
Distillation of water
Heating of cane sugar
Setting of cement
Carbogen is used in
CO2 poisoning
CO poisoning
phosgene poisoning
anesthesia
Glass articles are annealed so that
they may appear better
they can resist the action of acids and alkalies
they lose their brittleness
they can withstand temperature shocks
Proteins are polymerisation products of
aldehydes
alkenes
amino acids
alkynes
Cinnabar is an ore of
lead
zinc
mercury
chromium
Lunar caustic is
calcium sulphate
ammonium chloride
caustic soda
silver nitrate
A metal which exhibits allotropy is
cobalt
tin
manganese
platinum
Nylon is made from
terephthalic acid and ethylene glycol
hexamethylene diamine and adipic acid
cellulose nitrate
cellulose acetate
An acid which is used as a preservative for pickles is
hydrochloric acid
citric acid
tartaric acid
acetic acid
An example of stimulant fertilizer is
gypsum
urea
potassium nitrate
ammonium phosphate
In the nitrogen cycle, denitrifying bacteria
oxidise ammonia to nitrates
convert nitrogen into ammonia
oxidise ammonia to free nitrogen
oxidise ammonia to oxides of nitrogen
Iron is rendered passive by
conc. H2SO4
conc. HCl
conc. HNO3
acetic acid
Fructose is also called
dextrose
fruit sugar
beet sugar
blood sugar
Refined petroleum is decolourised by
manganese dioxide
bauxite
animal charcoal
quicklime
The compound or nitrogen used in dry cells is
ammonia
ammonium nitrate
ammonium chloride
ammonium nitrite
In surgical operation, the anaesthetic commonly used nowadays is
iodoform
chloroform
nitrous oxide-ether mixture
chloroform-nitrous oxide mixture