Chemistry The element with highest first ionisation energy is Hydrogen Helium Lithium Sodium Hydrogen Helium Lithium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance that is added to make natural rubber strong and more bouncy is Polythene Sponge Sulphur Chlorine Polythene Sponge Sulphur Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water is Rain water Ground water Tap water Distilled water Rain water Ground water Tap water Distilled water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? 18 6 Zero 12 18 6 Zero 12 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 Which one of the following contains maximum percentage of carbon ? High speed steel Wrought iron Cast iron Stainless steel High speed steel Wrought iron Cast iron Stainless steel ANSWER DOWNLOAD EXAMIANS APP
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