Chemistry When formaldehyde and potassium hydroxide are heated, we get Ethyl formate Acetylene Methane Methyl alcohol Ethyl formate Acetylene Methane Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following could be used as fuel in propellant or rockets ? Liquid Oxygen + Liquid Argon Liquid Hydrogen + Liquid Nitrogen Liquid Nitrogen + Liquid Oxygen Liquid Hydrogen + Liquid Oxygen Liquid Oxygen + Liquid Argon Liquid Hydrogen + Liquid Nitrogen Liquid Nitrogen + Liquid Oxygen Liquid Hydrogen + Liquid Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most suitable vessel for storing concentrated sulphuric acid is Copper vessel Glass vessel Earthen vessel Aluminium vessel Copper vessel Glass vessel Earthen vessel Aluminium vessel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the stratosphere is mainly caused by SO2 NO2 NO Chlorogluorocarbons SO2 NO2 NO Chlorogluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water is saltier than rain water because Rivers wash away salts from earth and pour them into the sea Sea animals are salt producing Sea beds have salt producing mines The air around the sea is saltish Rivers wash away salts from earth and pour them into the sea Sea animals are salt producing Sea beds have salt producing mines The air around the sea is saltish ANSWER DOWNLOAD EXAMIANS APP
Chemistry Exposure to mixtures of chemicals are greater than expected on the basis of effects of exposure to each chemical individually. This is known as Additives Antagonism Synergism Independent Additives Antagonism Synergism Independent ANSWER DOWNLOAD EXAMIANS APP