Chemistry The coloured discharge tubes for advertisement mainly contain Neon Helium Argon Xenon Neon Helium Argon Xenon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Zone refining is used for the purification of Ge Au Ag Cu Ge Au Ag Cu ANSWER DOWNLOAD EXAMIANS APP
Chemistry If the sewage is fully oxidized, the nitrogen is in the form of Ammonia Nitrates Nitrites Nitramines Ammonia Nitrates Nitrites Nitramines ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stainless steel is usually made by alloying the steel with Chromium and nickel Manganese and copper Copper and nickel Copper and chromium Chromium and nickel Manganese and copper Copper and nickel Copper and chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium bicarbonate is commercially known as Washing soda Soda lime Baking soda Caustic soda Washing soda Soda lime Baking soda Caustic soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Sodium, Potassium Calcium, Magnesium Sodium, Calcium Sodium, Magnesium Sodium, Potassium Calcium, Magnesium Sodium, Calcium Sodium, Magnesium ANSWER DOWNLOAD EXAMIANS APP
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