Chemistry Which gas emitted by power stations causes acid rain? Sulphur dioxide Nitrogen Helium Carbon dioxide Sulphur dioxide Nitrogen Helium Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following forms of phosphorus is most reactive? Red phosphorus White phosphorus Black phosphorus Violet phosphorus Red phosphorus White phosphorus Black phosphorus Violet phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry London smog is found in Summer during day time Winter during day time Summer during morning time Winter during morning time Summer during day time Winter during day time Summer during morning time Winter during morning time ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound to which H2 does not add is Biphenyl ethylene Tetra –9 – phenanthrylethylene Tetra – a –naphthylethylene Tetraphenyl ethylene Biphenyl ethylene Tetra –9 – phenanthrylethylene Tetra – a –naphthylethylene Tetraphenyl ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer used in making plastic crockery is Nylon Decron Bakelite Melamine Nylon Decron Bakelite Melamine ANSWER DOWNLOAD EXAMIANS APP
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
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