Chemistry Periodic table contains how many groups 17 16 18 19 17 16 18 19 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant inert gas in the atmosphere is Helium Krypton Neon Argon Helium Krypton Neon Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which fails to liberate carbon dioxide from sodium bicarbonate is : Carbonic acid Acetic acid Formic acid Sulphuric acid Carbonic acid Acetic acid Formic acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is More abundant than hydrogen Non-combustible Lighter than hydrogen More stable More abundant than hydrogen Non-combustible Lighter than hydrogen More stable ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electric iron has a heating element made of : Nichrome Copper Zinc Tungsten Nichrome Copper Zinc Tungsten ANSWER DOWNLOAD EXAMIANS APP
Chemistry Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of Isothermal system Isobaric system Closed system Open system Isothermal system Isobaric system Closed system Open system ANSWER DOWNLOAD EXAMIANS APP