Chemistry Glycol is used to manufacture which of the following ? Rubber Nylon Artificial silk Terylene Rubber Nylon Artificial silk Terylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not present in German-silver? Silver Nickel Copper Zinc Silver Nickel Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Industrial smog formation Depletion of fossil fuel reserves Lowering of pH of soil Eutrophication in lakes Industrial smog formation Depletion of fossil fuel reserves Lowering of pH of soil Eutrophication in lakes ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highly toxic gas which causes headache, visual difficulty, paralysis and even death is O3 CO All of these CO2 O3 CO All of these CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper substances when exposed to air gains a green coating due to the formation of: Cu(NO3)2 CuCO3 Cu(OH)2 CuSO4 CuO Cu(NO3)2 CuCO3 Cu(OH)2 CuSO4 CuO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The working of a dry cell is based on Spontaneous oxidation-reduction reaction Combination reaction Electrolysis Decomposition reaction Spontaneous oxidation-reduction reaction Combination reaction Electrolysis Decomposition reaction ANSWER DOWNLOAD EXAMIANS APP
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