BVN teaches classification of hydro carbons.
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Chemical properties of hydro carbon
Alkenes and Alkynes
Saturated and Unsaturated hydro carbons.
Classification of hydro carbons
Carbon and its compounds
Uses of lenses and power of a lens
Lenses and formation of images in lenses.
Recombination of colours and refraction of light in Nature
Refraction of light through prism
Laws of refraction of light and verification
Uses of Concave and convex mirrors
Formation of images in Spherical Mirrors