Chemistry Which of the following is used to iodise common salt ? Potassium iodide Potassium iodate Sodium iodide Iodine Potassium iodide Potassium iodate Sodium iodide Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electronegative element among the following is bromine oxygen fluorine sodium bromine oxygen fluorine sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a greenhouse gas ? Carbon dioxide Helium Sulphur dioxide Nitrogen Carbon dioxide Helium Sulphur dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Natural rubber is the polymer of : Isoprene Ethylene Butadiene Styrene Isoprene Ethylene Butadiene Styrene ANSWER DOWNLOAD EXAMIANS APP
Chemistry When quick lime is added to water Heat is absorbed Heat is liberated Temperature decreases No heat change takes place Heat is absorbed Heat is liberated Temperature decreases No heat change takes place ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Aluminium sulphide Hydrogen sulphide Hydrogenated wafers Aluminium phosphide Aluminium sulphide Hydrogen sulphide Hydrogenated wafers Aluminium phosphide ANSWER DOWNLOAD EXAMIANS APP
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