The major ingredient of leather is
1 Carbohydrate
2 Collagen
3 Polymer
4 Nucleic acid
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What is the Biology ?
Give two National aims of science education
0 Answers Mahatma Gandhi University,
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Carbon tetrachloride fire extinguisher should not be used in closed rooms, because it produces a poisonous gas called 1 Carbon monoxide 2 Phosphine 3 Phosgene 4 None of these
Chemical change does not take place in case of 1 Souring of milk into curd 2 Rusting of iron in atmosphere 3 Burning of magnesium ribbon in air 4 emitting of light by a red hot platinum wire
3 Answers Banking, Eastern Railway,
Which of the following metals is a better conductor of electricity? A. Silver B. Copper
Name the scientist who has been invited by the Srilankan Governement to have a Study on Employment development?
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define cartography?
Dear Sir I have got through cable size calculation 10 sq mm cable size of one panel, how i be sure that used cable is 10sqmm. a) By measuring each strand of cpper & multilpy by pye and so on...... or By measuring any one cable core with insulation only.
What is the Embrylogy ?
Ozone attacks 1 Mercury and silver 2 Copper 3 Silver and iron 4 None of these