Chemistry Which of the following appeared to be with a significant potential for accumulation through food chains ? Lindane Carbary DDT Parathion Lindane Carbary DDT Parathion ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Protons Electrons Positrons Neutrons Protons Electrons Positrons Neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Lead Zinc Nickel Chromium Lead Zinc Nickel Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is most stable at room temperature O2 H2 F2 N2 O2 H2 F2 N2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In drinking water supply, which of the following treatments is not involved Coagulation Disinfection Sedimentation Softening Coagulation Disinfection Sedimentation Softening ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following the hardest metal is Iron Tungsten Platinum Gold Iron Tungsten Platinum Gold ANSWER DOWNLOAD EXAMIANS APP
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