Chemistry The basic chemical building block of natural rubber obtained from trees is Neoprene Acetylene Isoprene Vinyl Chloride Neoprene Acetylene Isoprene Vinyl Chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following does the Nucleus of an atom consist of? Protons and electrons Protons and neutrons Electrons Protons Protons and electrons Protons and neutrons Electrons Protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used for converting vegetable oils into saturated fats ? SO2 Cl2 H2 O2 SO2 Cl2 H2 O2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Ultraviolet rays (UV) Infra-red (IR) X–rays Gamma rays Ultraviolet rays (UV) Infra-red (IR) X–rays Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitric acid does not react with Iron Zinc Copper Gold Iron Zinc Copper Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pair of compounds used as anaesthetic in medicines : Nitrogen dioxide, ether Chloroform, Nitrogen dioxide Ether, Ammonia Nitrous oxide, Chloroform Nitrogen dioxide, ether Chloroform, Nitrogen dioxide Ether, Ammonia Nitrous oxide, Chloroform ANSWER DOWNLOAD EXAMIANS APP