Chemistry Permanent – hardness of water may be removed by addition of Alum Lime Potassium Permangante Sodium carbonate Alum Lime Potassium Permangante Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in embalming biological materials is Formaldehyde in water Ethylene glycol Formaldehyde in methanol Gaseous formaldehyde Formaldehyde in water Ethylene glycol Formaldehyde in methanol Gaseous formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper is refined by Roasting Zone refining Oxidation Electrolysis Roasting Zone refining Oxidation Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heaviest naturally occurring element is: Polonium Uranium Mercury Thorium Polonium Uranium Mercury Thorium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gelatin is mostly used in making ice–creams in order to Stabilise mixture Stabilise the colloid and prevent crystallisation Prevent making a colloid Enrich the aroma Stabilise mixture Stabilise the colloid and prevent crystallisation Prevent making a colloid Enrich the aroma ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon is a type of Polyolefin Polyester Acrylic Polyamide Polyolefin Polyester Acrylic Polyamide ANSWER DOWNLOAD EXAMIANS APP
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