Chemistry Which among the following coal contains 90 per cent of carbon? Lignite Bitumen Peat Anthracite Lignite Bitumen Peat Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coating of solid waste with impervious material is known as Chemical fixation Encapsulation Landfill Capping Chemical fixation Encapsulation Landfill Capping ANSWER DOWNLOAD EXAMIANS APP
Chemistry Threshold limit value of copper in the atmospheric air is 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 0.001 mg/m3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead pencil contains Graphite Ferrous sulphide Lead Lead sulphide Graphite Ferrous sulphide Lead Lead sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry In galvanization, iron is coated with Tin Copper Zinc Nickel Tin Copper Zinc Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Ozone Barium peroxide Sodium peroxide Hydrogen peroxide Ozone Barium peroxide Sodium peroxide Hydrogen peroxide ANSWER DOWNLOAD EXAMIANS APP
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