Chemistry Which of the following is a monoatomic gas? Fluorine Nitrogen Neon Oxygen Fluorine Nitrogen Neon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound to which H2 does not add is Tetra – a –naphthylethylene Tetraphenyl ethylene Tetra –9 – phenanthrylethylene Biphenyl ethylene Tetra – a –naphthylethylene Tetraphenyl ethylene Tetra –9 – phenanthrylethylene Biphenyl ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brine refers to : Starch water Sweet water Salt water Pure water Starch water Sweet water Salt water Pure water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Lime soda process or manganese zeolite process Ion exchange process Chlorination Oxidation followed by settling and filtration Lime soda process or manganese zeolite process Ion exchange process Chlorination Oxidation followed by settling and filtration ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source of naphthalene is Diesel Coal-tar Charcoal Camphor Diesel Coal-tar Charcoal Camphor ANSWER DOWNLOAD EXAMIANS APP
Chemistry The human body is made up of several chemical elements; the element present in the highest proportion (65%) in the body is oxygen nitrogen hydrogen carbon oxygen nitrogen hydrogen carbon ANSWER DOWNLOAD EXAMIANS APP
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