Chemistry Which one of the following elements is an example of noble gas ? Chlorine Nitrogen Helium Hydrogen Chlorine Nitrogen Helium Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry German silver used for making utensils is an alloy of Copper, nickel, aluminium Copper, zinc, nickel Copper, zinc, aluminium Copper, silver, nickel Copper, nickel, aluminium Copper, zinc, nickel Copper, zinc, aluminium Copper, silver, nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heating of a ore below its melting point in the absence of air is known as Smelting Refining Calcination Roasting Smelting Refining Calcination Roasting ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphuric acid is Dibasic Tribasic Monobasic Tetrabasic Dibasic Tribasic Monobasic Tetrabasic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vulcanized rubber contains sulphur 7-9% 0.02 3-5% 10-15% 7-9% 0.02 3-5% 10-15% ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of air is nitrogen hydrogen carbon dioxide oxygen nitrogen hydrogen carbon dioxide oxygen ANSWER DOWNLOAD EXAMIANS APP
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