Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 200 km 100 km 150 km 300 km 200 km 100 km 150 km 300 km ANSWER DOWNLOAD EXAMIANS APP
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 Which halide is used in making sensitive emulsion on photograhic film? Sodium chloride Silver bromide Silver iodide Silver chloride Sodium chloride Silver bromide Silver iodide Silver chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone consists of Hydrogen and Carbon Oxygen and Nitrogen Oxygen and Carbon Oxygen only Hydrogen and Carbon Oxygen and Nitrogen Oxygen and Carbon Oxygen only ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Aluminium Copper Iron Zinc Aluminium Copper Iron Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coating of a thin layer of zinc on steel or iron objects is known as Galvanising Tinning Hot dipping Electroplating Galvanising Tinning Hot dipping Electroplating ANSWER DOWNLOAD EXAMIANS APP
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