Chemistry The metals commonly used for electroplating are Chromium, Copper and Nickel Nickel, Lead and Chromium Gold, Sodium and Chromium Gold, Sodium and Potassium Chromium, Copper and Nickel Nickel, Lead and Chromium Gold, Sodium and Chromium Gold, Sodium and Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide present in the industrial chimney exhaust causes Reduction in plant's productivity owing to acid rain Corrosion building materials Respiratory and lung disease All of these Reduction in plant's productivity owing to acid rain Corrosion building materials Respiratory and lung disease All of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of safety matches? Sodium Silicon Graphite Phosphorus Sodium Silicon Graphite Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Threshold limit value of copper in the atmospheric air is 0.001 mg/m3 1.0 mg/m3 5.0 mg/m3 0.01 mg/m3 0.001 mg/m3 1.0 mg/m3 5.0 mg/m3 0.01 mg/m3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of biogas is Oxygen Acetic acid Methyl alcohol Methane Oxygen Acetic acid Methyl alcohol Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The sewage obtained from water closets and urinals is known as Sullage Sanitary waste Industrial waste Garbage Sullage Sanitary waste Industrial waste Garbage ANSWER DOWNLOAD EXAMIANS APP
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