Find the similarity in the following :
Carbon, Silicon, Boron, Arsenic
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Feroz Gandhi Award is associated with
The bird which lays more than 100 eggs in one nest is
Ostrich
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The source of energy of the sun is
The transformation of Hydrogen atoms into Helium atoms with an emission of vast amount of energy is called nuclear fusion which is the source of energy for the Sun.
Match the following with the correct response.
The relative humidity of a region is low when :
Generally covalently bonded molecules ______.
I. have high boiling and melting point as compare to ionically bonded molecules
II. poor conductors of electricity
III. have weak intermolecular force
In a combination reaction there can be ______.
I. two or more than two reactants
II. two or more than two products
III. only one product