Bagasse, a by-product of sugar manufacturing industry, is
used for the production of
1 Nylon
2 Glass
3 Paper
4 Alcohol
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Actinides are the elements with atomic numbers from 1 36 to 43 2 89 to 103 3 97 to 114 4 101 to 115
The highest grade of coal whose surface is shining and has the highest calorific value, is 1 Bituminous 2 Lignite 3 Anthracite 4 Peat
1 Answers Neyveli Lignite Corporation,
atoms are composed of Electrons & Protons or Electrons & Protons ?
The neutral atom’s two isotopes differ in the number of 1 Electron shells 2 Protons 3 Valence electrons 4 Neutrons
the colour of a star is an indication of its?
Long distance photography is facilitated by 1 Visible light 2 X-rays 3 Infrared rays 4 Ultraviolet rays
Which of the following is a chemical change? 1 Oxidation 2 Reduction 3 Sublimation 4 Decomposition
Heavy water is 1 Tritium oxide 2 Deuterium oxide 3 Rain water 4 None of these
Which of the following minerals has the lower numerical hardness value? 1 Talc 2 Gypsum 3 Apatite 4 Topaz
Which metal is used for Galvanisation of iron?
13 Answers ncert, TCS, TNPSC Tamil Nadu Public Service Commission,
Bleaching powder is made from 1 Sulphur dioxide and gypsum 2 Chlorine and charcoal 3 Soda ash and lilme 4 Lime and chlorine
what is composition of fizzy drinks