Chemistry In which of the following substances all carbon atoms are quaternary in nature ? Teflon Graphite Diamond Napthalene Teflon Graphite Diamond Napthalene ANSWER DOWNLOAD EXAMIANS APP
Chemistry For extinguishing fire, we use Hydrogen Marsh gas Carbon Dioxide Carbon Monoxide Hydrogen Marsh gas Carbon Dioxide Carbon Monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of Ozone layer is mainly due to Volcanic eruptions Aviation fuels Radioactive rays Chlorofluorocarbons Volcanic eruptions Aviation fuels Radioactive rays Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is colourless ? Oxygen Sulphur Chlorine Phosphorus Oxygen Sulphur Chlorine Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 2 4 3 1 2 4 3 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a Carbonyl group a carbon atom makes double bond with None of these Oxygen Hydrogen Carbon None of these Oxygen Hydrogen Carbon ANSWER DOWNLOAD EXAMIANS APP