Chemistry When cathode rays strike a target of high atomic weight, they give rise to Positive rays ?-rays X-rays ? and ? rays Positive rays ?-rays X-rays ? and ? rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron rusts quickly in Distilled water Sea water Rain water River water Distilled water Sea water Rain water River water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a natural polymer? Polythene Bakelite Starch Nylon Polythene Bakelite Starch Nylon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of an atom consists of electrons and protons All of these electrons and neutrons protons and neutrons electrons and protons All of these electrons and neutrons protons and neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is harder than graphite because of : Tetrahedral structure of diamond Difference in layers of atoms Difference of crystalline structures None of these Tetrahedral structure of diamond Difference in layers of atoms Difference of crystalline structures None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Indane gas is mixture of Butane and propane Butane and oxygen Butane and hydrogen Methane and oxygen Butane and propane Butane and oxygen Butane and hydrogen Methane and oxygen ANSWER DOWNLOAD EXAMIANS APP