Chemistry In which of the following substances all carbon atoms are quaternary in nature ? Graphite Teflon Napthalene Diamond Graphite Teflon Napthalene Diamond ANSWER DOWNLOAD EXAMIANS APP
Chemistry The wire of flash bulb is made of: Silver Magnesium Copper Barium Silver Magnesium Copper Barium ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a chemical bond is formed ? More energy is released than is absorbed Energy in always released Energy is neither released nor absorbed Energy is always absorbed More energy is released than is absorbed Energy in always released Energy is neither released nor absorbed Energy is always absorbed ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of d-electrons in Fe2+ (Z = 26) is not equal to that of p-electrons in CI(Z = 17) d-electrons in Fe(Z = 26) p-electrons in Ne(Z = 10) s-electrons in Mg(Z = 12) p-electrons in CI(Z = 17) d-electrons in Fe(Z = 26) p-electrons in Ne(Z = 10) s-electrons in Mg(Z = 12) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Chlorination Lime soda process or manganese zeolite process Ion exchange process Oxidation followed by settling and filtration Chlorination Lime soda process or manganese zeolite process Ion exchange process Oxidation followed by settling and filtration ANSWER DOWNLOAD EXAMIANS APP
Chemistry When Hydrogen starts burning in air, it produces ? Ammonia Carbonic Acid Methane Water Ammonia Carbonic Acid Methane Water ANSWER DOWNLOAD EXAMIANS APP
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