Chemistry The mass number of a nucleus is always less than its atomic number always more than the atomic weight a fraction the sum of the number of protons and neutrons present in the nucleus always less than its atomic number always more than the atomic weight a fraction the sum of the number of protons and neutrons present in the nucleus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is used to manufacture which of the following ? Artificial silk Rubber Terylene Nylon Artificial silk Rubber Terylene Nylon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms of same element having different mass numbers are called________ Isobars Isotopes Isotones Isomers Isobars Isotopes Isotones Isomers ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as an anti-freeze for the automobile engines ? Propyl alcohol Methanol Ethanol Ethylene glycol Propyl alcohol Methanol Ethanol Ethylene glycol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formation of ozone hole is maximum over India Europe Antarctica Africa India Europe Antarctica Africa ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main component of liquid bleach is: Sodium hypochlorite Sodium hypochlorate Sodium chloride Hydrochloric acid Sodium hypochlorite Sodium hypochlorate Sodium chloride Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP