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mild laxative
pain killer
antiseptic
antibiotic
The major constituent of gobar gas is
The major contributor to global warming is
The major harmful gas emitted by automobile vehicles which causes air pollution is
The major ingredient of leather is:
The major use of sulphur is in the manufacture of
The male sex hormone is
The mammal that lays eggs is
The manufacturing of iron from ironore involves the process of
The mass of a star is two times the mass of the Sun. How it will come to an end -
The mass of water vapour per unit volume of air is known as