Chemistry How many electrons in a Hydrogen atom Four Two Three One Four Two Three One ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electric bulbs are filled with : Carbon dioxide Oxygen Nitrogen Argon Carbon dioxide Oxygen Nitrogen Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pollutant from motor car exhaust that causes mental disease is Hg NO2 SO2 Lead Hg NO2 SO2 Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which fails to liberate carbon dioxide from sodium bicarbonate is : Formic acid Sulphuric acid Acetic acid Carbonic acid Formic acid Sulphuric acid Acetic acid Carbonic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not present in cement ? Clay Gypsum Alum Alumina Clay Gypsum Alum Alumina ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following mineral does not contain oxygen ? Cryolite Haematite Calcite Bauxite Cryolite Haematite Calcite Bauxite ANSWER DOWNLOAD EXAMIANS APP
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