The process that takes place in the atom bomb is
nuclear' fusion
radioactive disintegration
nuclear fission
chemical decomposition
Correct Answer :
C. nuclear fission
Related Questions
Galvanising is the process of coating
iron with zinc
zinc with iron
copper with silver
silver with gold
Physico-chemical characteristics of water in water sources undergo changes due to
aquatic macrophytes
aquatic fungi
effluents
evapotranspiration
Plastics are synthetic
rubbers
fibres
resins
sugars
The discoverer of chloroform was
Liebig
Pasteur
Bunsen
Erlenmeyer
The sugar which is used in silvering mirrors is
sucrose
maltose
glucose
fructose
The value of Avogadro Number is
6.023 x 1022
1 x 10-14
cl 6.056 x 10-6
6.023 x 1023
Petroleum ether is also known as
kerosene
naphtha
lubricating oil
asphalt
The neutron was discovered by
Chadwick
Madam Curie
Becquerel
Aston
Which of the following is not a characteristic of potable water?
It must be free from suspended impurities
It must be free from harmful bacteria
It must contain traces of sodium bicarbonate
It must have a fishy odour
The substance most abundantly found in sea water is
magnesium chloride
sodium chloride
calcium sulphate
potassium chloride
Concrete is a mixture of
cement an limestone
cement and sand
cement and gravel
cement, sand and gravel
Galvanised iron sheets are protected from rusting due to the presence of a layer of
lead
chromium
zinc
tin
Rain water collected after a shower la very pure because
the initial showers wash the atmosphere free from most of the impurities
it contains desirable salts like sodium chloride and ammonium nitrate
it dissolves the gases in the atmosphere like ozone which are good for health in small quantities
it is supposed to be 'heaven sent'
During fermentation, the by-product is
ethyl alcohol
methyl alcohol
carbon monoxide
carbon dioxide
A drug that is usually administered for malaria is
sulphanilamide
quinine
methicillin
novocaine
Gases have
a definite shape but not volume
a definite volume and shape
a definite volume but not shape
neither definite volume nor shape
The ore of iron is
Dolomite
Magnetite
Bauxite
Anglesite
The metal which reacts most violently with cold water is
calcium
sodium
magnesium
potassium
Biogas is obtained during
decomposition of petrol
fermentation of animal and plant waste
destructive distillation of coal
electrolysis of water
Which one of the following is present in the largest amount in terms of per cent by mass in the earth's crust?
Silicon
Oxygen
Carbon
Calcium
Colour blindness is
a congenital disease
a communicable disease
an acquired disease
a contagious disease
When ants bite, they inject
glacial acetic acid
methanol
formic acid
stearic acid
The compound used in photography is
ammonium dichromate
copper Sulphate
magnesium Sulphate
sodium thiosulphate
Annealing of glass is done in
a cupel
a long narrow chamber
an open furnace
a closed furnace
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
Apart from lead tetra-ethyl, the other compound used as antiknock is
n-heptane
n-octane
iso-heptane
iso-octane
Which of the following is not an alloy of copper?
Bronze
Brass
Solder
Gun metal
Rusting is a special case of corrosion applied to
nickel
tin
iron
chromium
In the making of jewels, gold is usually mixed with
zinc
tin
copper
aluminium
The hormone which absorption is increases glucose oxidation and glucose
adrenalin
thyroxin
insulin
epinephrine