Chemistry Detergents are None of these Sodium salts of sulphonic acids Sodium salts of fatty acids Sodium salt of benzoic acid None of these Sodium salts of sulphonic acids Sodium salts of fatty acids Sodium salt of benzoic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Oxidation of cellulose Frequent use Collection of dust Lack of aeration Oxidation of cellulose Frequent use Collection of dust Lack of aeration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals has least melting point ? Silver Mercury Gold Copper Silver Mercury Gold Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to SO2 N2O NO2 SO3 SO2 N2O NO2 SO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Air is said to be saturated when : It blows over the barren land Its pressure is minimum Its thickness is maximum It contains maximum content of water vapour It blows over the barren land Its pressure is minimum Its thickness is maximum It contains maximum content of water vapour ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to iodise common salt ? Sodium iodide Iodine Potassium iodate Potassium iodide Sodium iodide Iodine Potassium iodate Potassium iodide ANSWER DOWNLOAD EXAMIANS APP
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