Chemistry The substance that is added to make natural rubber strong and more bouncy is Chlorine Sulphur Sponge Polythene Chlorine Sulphur Sponge Polythene ANSWER DOWNLOAD EXAMIANS APP
Chemistry When iron rusts, its weight First increases and then decreases Decreases Increases Remains the same First increases and then decreases Decreases Increases Remains the same ANSWER DOWNLOAD EXAMIANS APP
Chemistry Natural rubber is the polymer of : Ethylene Styrene Butadiene Isoprene Ethylene Styrene Butadiene Isoprene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals can displace copper from copper sulphate solution ? Platinum Iron Gold Mercury Platinum Iron Gold Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Ultraviolet rays (UV) Gamma rays Infra-red (IR) X–rays Ultraviolet rays (UV) Gamma rays Infra-red (IR) X–rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Organic compounds are Interstitial compounds Covalent compounds Ionic compounds Co-ordination compounds Interstitial compounds Covalent compounds Ionic compounds Co-ordination compounds ANSWER DOWNLOAD EXAMIANS APP