Chemistry Which of the following elements is obtained from sea weeds ? Iodine Sulphur Vanadium Argon Iodine Sulphur Vanadium Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Physical change Endothermic reaction Photochemical reaction Exothermic reaction Physical change Endothermic reaction Photochemical reaction Exothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents are None of these Sodium salts of sulphonic acids Sodium salt of benzoic acid Sodium salts of fatty acids None of these Sodium salts of sulphonic acids Sodium salt of benzoic acid Sodium salts of fatty acids ANSWER DOWNLOAD EXAMIANS APP
Chemistry Spontaneous change is one in there is: An increase in Internal energy Increase in free energy A lowering of entropy A lowering of free energy An increase in Internal energy Increase in free energy A lowering of entropy A lowering of free energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rock salt is a mineral containing Potassium Magnesium Sodium Iron Potassium Magnesium Sodium Iron ANSWER DOWNLOAD EXAMIANS APP