Chemistry Atoms having the same number of protons but different number of neutrons are called : Isotopes Cations Anions Higgs-boson Isotopes Cations Anions Higgs-boson ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant rare gas in the atmosphere is Ar Xe Ne He Ar Xe Ne He ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is Non-combustible Lighter than hydrogen More abundant than hydrogen More stable Non-combustible Lighter than hydrogen More abundant than hydrogen More stable ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water None of these Calcium Magnesium Manganese None of these Calcium Magnesium Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard water and soft water can be distinguished by using Liquid soap Detergent Ordinary soap Dilute acid Liquid soap Detergent Ordinary soap Dilute acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Select the one which is not a mixture : Distilled water Gasoline Air LPG Distilled water Gasoline Air LPG ANSWER DOWNLOAD EXAMIANS APP
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