Chemistry The oxidation number of nickel in K4[Ni(CN)4] is –4 Zero 8 4 –4 Zero 8 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Greenhouse effect is caused by Nitrogen dioxide Carbon dioxide Nitrogen Carbon monoxide Nitrogen dioxide Carbon dioxide Nitrogen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The value of Avogadro Number is 6.023 × 1023 6.023 × 1022 6.023 × 1025 6.023 × 1024 6.023 × 1023 6.023 × 1022 6.023 × 1025 6.023 × 1024 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coating of a thin layer of zinc on steel or iron objects is known as Tinning Hot dipping Galvanising Electroplating Tinning Hot dipping Galvanising Electroplating ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chile saltpeter is the common name of: Potassium nitrite Sodium nitrate Sodium nitrite Potassium nitrate Potassium nitrite Sodium nitrate Sodium nitrite Potassium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant rare gas in the atmosphere is Ar Ne Xe He Ar Ne Xe He ANSWER DOWNLOAD EXAMIANS APP
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