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The gas used for artificial ripening of green fruit is
The planet nearest to the sun is
Discovery of hydrochloric acid, sulphuric acid, and nitric acid are few of the greatest contributions made by?
The other name of lockjaw is?
The branch of physics which deals with the studies the atomic nuclei is called
Radar receives waves, known as
Sonar is used to calculate
The commonly used lime in white washing is
The longest and largest bone in the human body is
Plaster of Paris is made by heating or calcining
Phosphorus helps plants in the growth of
The blue colour of sky is due to the light reaching our eye after the effect of
Newspaper can be recycled for how many times?
Blood clotting happens in which part of human body?
The catalyst which is used to convert oil into ghee is called?
The conversion of oil into ghee, is known as?
The enzyme that is necessary to bring about clotting of blood is?
Myopia or shortsightedness is corrected by using spectacles with
Astronauts’ fuel cells can produce electric power and
The ozone layer is the part of the Earth’s atmosphere, called?