Chemistry Which of the following is not a noble gas ? Hydrogen Neon Helium Argon Hydrogen Neon Helium Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Zinc Silver Aluminium Copper Zinc Silver Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important metal used with iron to produce stainless steel is Carbon Aluminium Chromium Tin Carbon Aluminium Chromium Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals does not react with water to produce Hydrogen ? Lithium Sodium Cadmium Potassium Lithium Sodium Cadmium Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is found in all organic compounds Carbon Oxygen Calcium Nitrogen Carbon Oxygen Calcium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following does the Nucleus of an atom consist of? Electrons Protons and electrons Protons Protons and neutrons Electrons Protons and electrons Protons Protons and neutrons ANSWER DOWNLOAD EXAMIANS APP
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