Chemistry Pyrethrin used in mosquito coil is obtained from A bacterium A fungus A seed plant An insect A bacterium A fungus A seed plant An insect ANSWER DOWNLOAD EXAMIANS APP
Chemistry Adding Cl2 to benzene in the presence of AlCl3 is an example of : Addition reaction None of the options Elimination reaction Substitution reaction Addition reaction None of the options Elimination reaction Substitution reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chernobyl disaster is the result of pollution by Oil spill Carbon dioxide Acid rain Radioactive waste Oil spill Carbon dioxide Acid rain Radioactive waste ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamonds are glittering and attractive because light incident on them undergoes Multiple internal reflections Highest refraction Multiple surface reflections Hundred percent transmission Multiple internal reflections Highest refraction Multiple surface reflections Hundred percent transmission ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following type of coal has the lowest proportion of volatile matter ? Peat Lignite Anthracite Bituminous Peat Lignite Anthracite Bituminous ANSWER DOWNLOAD EXAMIANS APP
Chemistry The value of gas constant R in Ergs deg–1 mole–1 is 8.314 × 107 8.413 × 107 4.183 × 107 8.341 × 107 8.314 × 107 8.413 × 107 4.183 × 107 8.341 × 107 ANSWER DOWNLOAD EXAMIANS APP