Chemistry What particles move around the nucleus of an atom and are negatively charged? Neutrons Protons Electrons Positrons Neutrons Protons Electrons Positrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Greenhouse effect is caused by Nitrogen Carbon monoxide Nitrogen dioxide Carbon dioxide Nitrogen Carbon monoxide Nitrogen dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of Cobalt in Vitamin B12 was established for the first time by Spectroscopy Hydrolysis test Sodium Nitroprusside test Borax-Bead test Spectroscopy Hydrolysis test Sodium Nitroprusside test Borax-Bead test ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common name for the compound having formal NaOH is Soda ash Sodium hydroxide Caustic soda Caustic potash Soda ash Sodium hydroxide Caustic soda Caustic potash ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coloured discharge tubes for advertisement mainly contain Argon Xenon Helium Neon Argon Xenon Helium Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a mixture of potassium nitrate, powdered charcoal and sulphur called? Paint Glass Gun powder Cement Paint Glass Gun powder Cement ANSWER DOWNLOAD EXAMIANS APP
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