Chemistry The chemical formula of the laughing gas is NO N2O N2O3 NO2 NO N2O N2O3 NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Exothermic reaction Photochemical reaction Physical change Endothermic reaction Exothermic reaction Photochemical reaction Physical change Endothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the best fuel in terms of energy released per gram of fuel? Butane Methane Ethanol Hydrogen Butane Methane Ethanol Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the chemical symbol of mercury None of these Mr Hg Mg None of these Mr Hg Mg ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common name of sodium bicarbonate is Baking soda Soda ash Soda lime Baking powder Baking soda Soda ash Soda lime Baking powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry The sewage obtained from water closets and urinals is known as Garbage Sanitary waste Sullage Industrial waste Garbage Sanitary waste Sullage Industrial waste ANSWER DOWNLOAD EXAMIANS APP