Chemistry The most common cause of pollution of air is Carbon monoxide Carbon dioxide Sulphur dioxide Smoke Carbon monoxide Carbon dioxide Sulphur dioxide Smoke ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most commonly used bleaching agent is alcohol carbon dioxide chlorine sodium chlorine alcohol carbon dioxide chlorine sodium chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry When formaldehyde and potassium hydroxide are heated, we get Methane Acetylene Methyl alcohol Ethyl formate Methane Acetylene Methyl alcohol Ethyl formate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which emits from rice field is All of these Nitrogen Ethane Methane All of these Nitrogen Ethane Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is a covalent compound ? Calcium chloride Magnesium fluoride Carbon tetrachloride Sodium chloride Calcium chloride Magnesium fluoride Carbon tetrachloride Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most reactive halogen Chlorine Iodine Fluorine Bromine Chlorine Iodine Fluorine Bromine ANSWER DOWNLOAD EXAMIANS APP