Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? Aluminium powder Aluminium sulphate None of these Solder Aluminium powder Aluminium sulphate None of these Solder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are made from Sodium salt of benzene carboxylic acid Sodium salt of benzene sulphonic acid Sodium palmitate Sodium stearate Sodium salt of benzene carboxylic acid Sodium salt of benzene sulphonic acid Sodium palmitate Sodium stearate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The human body is made up of several chemical elements; the element present in the highest proportion (65%) in the body is nitrogen carbon hydrogen oxygen nitrogen carbon hydrogen oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rock salt is a mineral containing Magnesium Sodium Potassium Iron Magnesium Sodium Potassium Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is found in all organic compounds Nitrogen Oxygen Carbon Calcium Nitrogen Oxygen Carbon Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry In electro-refining, the pure metal is deposited on Cathode Anode Vessel Electrolyte Cathode Anode Vessel Electrolyte ANSWER DOWNLOAD EXAMIANS APP
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