Chemistry Submarines move under water. They have engines that run on Batteries Steam Diesel Petrol and oxygen Batteries Steam Diesel Petrol and oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry An oxidising agent is a An electron donor An electron acceptor It releases H2 in a chemical reaction In a chemical reaction its oxidation number increases An electron donor An electron acceptor It releases H2 in a chemical reaction In a chemical reaction its oxidation number increases ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of an atom consists of electrons and neutrons All of these protons and neutrons electrons and protons electrons and neutrons All of these protons and neutrons electrons and protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The “King of Metals” is : Iron Aluminium Gold Silver Iron Aluminium Gold Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is not a primary greenhouse gases in the Earth's atmosphere Nitrogen Carbon dioxide Ozone Methane Nitrogen Carbon dioxide Ozone Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance that is added to make natural rubber strong and more bouncy is Chlorine Polythene Sponge Sulphur Chlorine Polythene Sponge Sulphur ANSWER DOWNLOAD EXAMIANS APP
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