Chemistry Which of the following is used as non-stick coating for cooking utensils? Perspex Styrofoam Teflon Polystyrene Perspex Styrofoam Teflon Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following mineral does not contain oxygen ? Haematite Cryolite Bauxite Calcite Haematite Cryolite Bauxite Calcite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following type of coal has the lowest proportion of volatile matter ? Anthracite Bituminous Peat Lignite Anthracite Bituminous Peat Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Removal of carbon particles from air involves the principle of Precipitation Electrophoresis Filteration Sedimentation Precipitation Electrophoresis Filteration Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuSO4 Cu(NO3)2 CuCO3 Cu(OH)2 CuO CuSO4 Cu(NO3)2 CuCO3 Cu(OH)2 CuO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of Naphthalene is Diesel Coal-tar Charcoal Camphor Diesel Coal-tar Charcoal Camphor ANSWER DOWNLOAD EXAMIANS APP
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