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Covalent compounds
Ionic compounds
Interstitial compounds
Co-ordination compounds
Organic food is supposed to be better for human consumption because
Orientation of atomic orbital is controlled by
Orology’ is the study of
Out of 900 reported species of living gymnosperms, conifers are represented by about 500 species, About 2,50,000 species of angiosperms (flowering plants) have also been reported in the world. The vast and dominant woodlands in Europe, Asia, North America and mountains such as Himalayas are wooded with
Out of the following pairs, choose the pair in which the physical quantities do not have identical dimension?
Oxygen which is vital for life is a product of photosynthesis comes from
Ozone consists of
Ozone hole refers to
Ozone layer above earth’s atmosphere will
Ozone layer in the outer atmosphere helps us in