Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Methane Helium Hydrogen Nitrogen Methane Helium Hydrogen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is extracted from Haematite Dolomite Bauxite Cinnabar Haematite Dolomite Bauxite Cinnabar ANSWER DOWNLOAD EXAMIANS APP
Chemistry The new strain of bacteria produced by biotechnology in alcohol industry is Escherichia coli Bacillus subtilis Saccharomyces cerevisiae Pseudomonas putida Escherichia coli Bacillus subtilis Saccharomyces cerevisiae Pseudomonas putida ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk is a Mixture None of these Metal Element Mixture None of these Metal Element ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lowest layer of earth's atmosphere is Mesosphere Stratosphere Ionosphere Troposphere Mesosphere Stratosphere Ionosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
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