Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Manganese Magnesium Calcium None of these Manganese Magnesium Calcium None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has greatest mass ? Hydrogen nucleus Electron Neutron Proton Hydrogen nucleus Electron Neutron Proton ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in embalming biological materials is Formaldehyde in water Formaldehyde in methanol Gaseous formaldehyde Ethylene glycol Formaldehyde in water Formaldehyde in methanol Gaseous formaldehyde Ethylene glycol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of gobar gas is Butane Carbon dioxide Methane Isobutane Butane Carbon dioxide Methane Isobutane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal does not give H2 on treatment with dilute HCL is Fe Zn Ag Ca Fe Zn Ag Ca ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a major green house gas? Freon Chloro fluorocarbon Carbon dioxide Carbon monoxide Freon Chloro fluorocarbon Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
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