Chemistry In addition to hydrogen, the other abundant element present on Sun’s surface is Oxygen Argon Neon Helium Oxygen Argon Neon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry For extinguishing fire, we use Marsh gas Carbon Dioxide Carbon Monoxide Hydrogen Marsh gas Carbon Dioxide Carbon Monoxide Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms of same element having different mass numbers are called________ Isomers Isotones Isobars Isotopes Isomers Isotones Isobars Isotopes ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is used for making vinegar. Oxalic acid Malic acid Acetic acid Tartaric acid Oxalic acid Malic acid Acetic acid Tartaric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following elements is found in maximum percentage in the human body ? Hydrogen Nitrozen Carbon Oxyzen Hydrogen Nitrozen Carbon Oxyzen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by the pollution of environment by Nitrous oxide and Sulphur dioxide Ozone and Carbon dioxide Carbon monoxide and Carbon dioxide Carbon dioxide and Nitrogen Nitrous oxide and Sulphur dioxide Ozone and Carbon dioxide Carbon monoxide and Carbon dioxide Carbon dioxide and Nitrogen ANSWER DOWNLOAD EXAMIANS APP