Chemistry Which of the following is colourless ? Oxygen Chlorine Sulphur Phosphorus Oxygen Chlorine Sulphur Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not present in cement ? Clay Alumina Alum Gypsum Clay Alumina Alum Gypsum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following forms of phosphorus is most reactive? Black phosphorus White phosphorus Violet phosphorus Red phosphorus Black phosphorus White phosphorus Violet phosphorus Red phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful SO2 in the air CO2 in the air Solar infrared radiation Solar ultraviolet radiation SO2 in the air CO2 in the air Solar infrared radiation Solar ultraviolet radiation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound that has the least value for octane number is : 2-methyl heptane 2,2-dimethyl hexane Iso-octane N-heptane 2-methyl heptane 2,2-dimethyl hexane Iso-octane N-heptane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of electrons presents in H+ is one three zero two one three zero two ANSWER DOWNLOAD EXAMIANS APP
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