Chemistry How many electrons in a Hydrogen atom Four One Two Three Four One Two Three ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a spoon is to be electroplated with nickel the spoon is Dipped in a nickel sulphate solution Made anode and a pure nickel rod, the cathode Made cathode and a pure nickel red, the anode Coated with nickel sulphate and dried Dipped in a nickel sulphate solution Made anode and a pure nickel rod, the cathode Made cathode and a pure nickel red, the anode Coated with nickel sulphate and dried ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant inert gas in the atmosphere is Argon Neon Krypton Helium Argon Neon Krypton Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Black lung disease occurs in people working in Electroplating industry Paint manufacturing industry Organic solvents industry Coal mines Electroplating industry Paint manufacturing industry Organic solvents industry Coal mines ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most common salt in sea water ? Potassium chloride Calcium carbonate Magnesium sulphate Sodium chloride Potassium chloride Calcium carbonate Magnesium sulphate Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms of same element having different mass numbers are called________ Isomers Isotopes Isobars Isotones Isomers Isotopes Isobars Isotones ANSWER DOWNLOAD EXAMIANS APP