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 The number of hydrogen bonds between guanine and cytosine in DNA is 3 2 1 4 3 2 1 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore which contains 72% of iron is : Haematite Limonite Siderite Magnetite Haematite Limonite Siderite Magnetite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of fertilizers ? Lead Potassium Aluminium Fluorine Lead Potassium Aluminium Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to make light weight, but strong plastic ? Methyl Methacrylate Nylon Polyvinyl Chloride Polythene Methyl Methacrylate Nylon Polyvinyl Chloride Polythene ANSWER DOWNLOAD EXAMIANS APP
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