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Igneous rocks
Sedimentary rocks
Metamorphic rocks
Marshy land
pH of human blood is between
Phenol is a raw material used in the manufacture of
Phosgene can be used as
Phosphorus is kept in water as
Photo oxidation process is initiated by -
Photo-oxidation is
Photoelectric effect was discovered by
Photooxidation process is started by
Photosynthesis is
Pick the wrong statement: hydrogen bonding results in