Chemistry The gas used for filling weather balloons is Helium Nitrogen Air Hydrogen Helium Nitrogen Air Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymerisation of which often following is used in manufacturing of polythene in industry ? Methane Ethylene Acetylene Styrene Methane Ethylene Acetylene Styrene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water in nature is Lake water Sea water River water Rain water Lake water Sea water River water Rain water ANSWER DOWNLOAD EXAMIANS APP
Chemistry If there is one million Mg2+ ions in MgCl2, how many chloride ions are there? Ten million Half a million Two million One million Ten million Half a million Two million One million ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nuclear particles which are assumed to hold the nucleons together are positrons electrons mesons neutrons positrons electrons mesons neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : Zinc plating Galvanization Vulcanization Alloy formation Zinc plating Galvanization Vulcanization Alloy formation ANSWER DOWNLOAD EXAMIANS APP
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