Chemistry The most important ore of lead is Galena Siderite Magnetite Pyrolusite Galena Siderite Magnetite Pyrolusite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which mineral is the ore of aluminium ? Magnetite Bauxite Siderite Haematite Magnetite Bauxite Siderite Haematite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionic radii of N3-, O2-, F- and Na+ follows the order O2- > F- > Na+ > N3- N3- > O2- > F- > Na+ Na+ > O2- > N3- > F- N3- > Na+ > O2- > F- O2- > F- > Na+ > N3- N3- > O2- > F- > Na+ Na+ > O2- > N3- > F- N3- > Na+ > O2- > F- ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electric iron has a heating element made of : Tungsten Nichrome Zinc Copper Tungsten Nichrome Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of baking soda is Sodium bicarbonate Sodium chloride Sodium nitrate Sodium carbonate Sodium bicarbonate Sodium chloride Sodium nitrate Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion in Ozone layer is caused by ________ . Chlorofluorocarbons Nitrous oxide Carbon dioxide Methane Chlorofluorocarbons Nitrous oxide Carbon dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
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