Chemistry Detergents are None of these Sodium salt of benzoic acid Sodium salts of sulphonic acids Sodium salts of fatty acids None of these Sodium salt of benzoic acid Sodium salts of sulphonic acids Sodium salts of fatty acids ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Carbon monoxide Methane Ethane Carbon di-oxide Carbon monoxide Methane Ethane Carbon di-oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gobar gas contains mainly : Ethylene Methane Acetylene Propylene Ethylene Methane Acetylene Propylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron rusts quickly in Sea water Rain water River water Distilled water Sea water Rain water River water Distilled water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Smoke Carbon dioxide Carbon monoxide Sulphur dioxide Smoke Carbon dioxide Carbon monoxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nitrogenous fertilizer ? NH4NO3 Urea CaCN2 Ca(CN)2 NH4NO3 Urea CaCN2 Ca(CN)2 ANSWER DOWNLOAD EXAMIANS APP
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