Chemistry Solder metal is an alloy of Copper and tin Lead and antimony Lead and tin Copper and zinc Copper and tin Lead and antimony Lead and tin Copper and zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief constituent of natural gas is: Methane Propane Helium Nitrogen Methane Propane Helium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry By-product obtained by soap industry is Caustic potash Naphthalene Caustic soda Glycerol Caustic potash Naphthalene Caustic soda Glycerol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is found in chlorophyll ? Mg2+ A l3+ Ca2+ Fe2+ Mg2+ A l3+ Ca2+ Fe2+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of d-electrons in Fe2+ (Z = 26) is not equal to that of d-electrons in Fe(Z = 26) p-electrons in CI(Z = 17) p-electrons in Ne(Z = 10) s-electrons in Mg(Z = 12) d-electrons in Fe(Z = 26) p-electrons in CI(Z = 17) p-electrons in Ne(Z = 10) s-electrons in Mg(Z = 12) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is used in photography ? Aluminium hydroxide Potassium nitrate Silver bromide Sodium chloride Aluminium hydroxide Potassium nitrate Silver bromide Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
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