Chemistry The human body is made up of several chemical elements; the element present in the highest proportion (65%) in the body is oxygen hydrogen nitrogen carbon oxygen hydrogen nitrogen carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Saccharin is made up of Propane Phenol Toluene Butane Propane Phenol Toluene Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/6 1/8 1/4 1/3 1/6 1/8 1/4 1/3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compounds formed when hydrogen combines with p-block elements are called Ionic hydrides Polynuclear hydrides Metallic hydrides Molecular hydrides Ionic hydrides Polynuclear hydrides Metallic hydrides Molecular hydrides ANSWER DOWNLOAD EXAMIANS APP
Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Nitrogen Sodium Neon Hydrogen Nitrogen Sodium Neon Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is an example of noble gas ? Nitrogen Hydrogen Chlorine Helium Nitrogen Hydrogen Chlorine Helium ANSWER DOWNLOAD EXAMIANS APP
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