Chemistry Synthetic detergents are made from Sodium salt of benzene sulphonic acid Sodium salt of benzene carboxylic acid Sodium palmitate Sodium stearate Sodium salt of benzene sulphonic acid Sodium salt of benzene carboxylic acid Sodium palmitate Sodium stearate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial ripening of green fruit is ethylene carbon dioxide ethane acetylene ethylene carbon dioxide ethane acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by man was copper bronze gold iron copper bronze gold iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The rusting of iron is a/an None of these Physical change Electrochemical change Electrical change None of these Physical change Electrochemical change Electrical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry Many people died in London in 1952 as result of air pollution producing Fog Smog Sleet Mist Fog Smog Sleet Mist ANSWER DOWNLOAD EXAMIANS APP
Chemistry Periodic table contains how many groups 19 16 17 18 19 16 17 18 ANSWER DOWNLOAD EXAMIANS APP