Chemistry Which of the following elements is found in all organic compounds Carbon Calcium Nitrogen Oxygen Carbon Calcium Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following gases has the highest calorific value? Coal gas Natural gas Water gas Indane gas Coal gas Natural gas Water gas Indane gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of natural gas is Ethane Butane Methane Propane Ethane Butane Methane Propane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aspirin is chemically known as Alkylsalicylic acid Acetylsalicylic acid Hydroxysalicylate Methyl salicylate Alkylsalicylic acid Acetylsalicylic acid Hydroxysalicylate Methyl salicylate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Where does the oxygen that keeps us alive come from? Oxides of minerals Carbonates absorbed from soil Water Carbon dioxide Oxides of minerals Carbonates absorbed from soil Water Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of major air pollutant is Helium Oxygen Carbon monoxide Carbon dioxide Helium Oxygen Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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