Chemistry The substance which does not expand on going from liquid state to solid state is Type metal Cast-iron Water Aluminium Type metal Cast-iron Water Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Neoprene is prepared by polymerisation of which of the following Acrylonitrile 1,3-butadiene 2-methyl 1, 3-butadiene 2-chloro-1, 3-butadiene Acrylonitrile 1,3-butadiene 2-methyl 1, 3-butadiene 2-chloro-1, 3-butadiene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chernobyl disaster is the result of pollution by Acid rain Carbon dioxide Radioactive waste Oil spill Acid rain Carbon dioxide Radioactive waste Oil spill ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of safety matches? Sodium Graphite Silicon Phosphorus Sodium Graphite Silicon Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a cause for present global warming and climate change ? Methane emission Carbondioxide emission CFC emission Deforstation Methane emission Carbondioxide emission CFC emission Deforstation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water is saltier than rain water because Rivers wash away salts from earth and pour them into the sea The air around the sea is saltish Sea beds have salt producing mines Sea animals are salt producing Rivers wash away salts from earth and pour them into the sea The air around the sea is saltish Sea beds have salt producing mines Sea animals are salt producing ANSWER DOWNLOAD EXAMIANS APP
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