Lampblack
Lead oxide
Charcoal
Graphite
Penicillin is widely used as
People who live at high altitudes have rosy cheeks because
percentage of Indian rails routes are electrified.
Persons Who among the following are colour-blind cannot distinguish between
Philadelphia is famous for
Philology is the
Photophobia is
Pine, fir, spruce, cedar, larch and cypress are the famous timberyielding plants of which several also occur widely in the hilly regions of India. All these belong to
Pipelines in cold countries often burst in winter, as
Plants which flower only once in their life time are known as
