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The material used for bleaching paper pulp is 1 Chlorine 2 Caustic soda 3 Sodium hypochlorite 4 Lime
The wavelength of X-ray is of order of 1 1 cm 2 1m 3 1 Angstrom 4 10 micron
Which of the following is used in making smoke bombs? 1 Sulphur 2 phosphorus 3 Hydrogen 4 Carbon
Of the following metals which, one pollutes the air of a big city? 1 Copper 2 Chromium 3 Lead 4 Cadmium
what is center of gravity?
Among the various allogropes of carbon 1 Diamond is the hardest, lamp black is the softest 2 Diamond is the hardest, coke is the softest 3 Coke is the hardest, graphite is the softest 4 Diamond is the hardest, graphite is the softest
Detergents used for cleaning clothes and utensils contain 1 Nitrates 2 Bicarbonates 3 Sulphonates 4 Bismutnates
What is the Organic Evolution ?
exactly how does an RTD 3 wire or 4 wire device cancel out the resistance of the wires , opposed to a 2 wire RTD? Is it because you have resistors in parallel , or because something to do with the electronic circuit the RTD is connected to ?
A mixture of water and alcohol can be separated by 1 Filtration 2 Evaporation 3 Distillation 4 Decantation
Which synthetic fiber possesses a ‘drip-dry’ property? 1 Rayon 2 Nylon 3 Silk 4 Terylene