Chemistry Which of the following metals can displace copper from copper sulphate solution ? Platinum Mercury Gold Iron Platinum Mercury Gold Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used as fire extinguisher ? Carbon monoxide Sulphur dioxide Carbon dioxide Carbon suboxide Carbon monoxide Sulphur dioxide Carbon dioxide Carbon suboxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is known as the 'brown coal'? Lignite Bituminous Anthracite Coke Lignite Bituminous Anthracite Coke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Many people died in London in 1952 as result of air pollution producing Mist Smog Fog Sleet Mist Smog Fog Sleet ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who first published the periodic table Julius Lothar Meyer Dmitri Mendeleev John Dalton Henry Moseley Julius Lothar Meyer Dmitri Mendeleev John Dalton Henry Moseley ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following will replace hydrogen from acids to form salts ? P Na S Ag P Na S Ag ANSWER DOWNLOAD EXAMIANS APP
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