Chemistry Percentage of carbon in steel ranges from 4.0 to 6.0 1.5 to 3.0 3.0 to 4.0 0.1 to 1.5 4.0 to 6.0 1.5 to 3.0 3.0 to 4.0 0.1 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Chlorination Ion exchange process Oxidation followed by settling and filtration Lime soda process or manganese zeolite process Chlorination Ion exchange process Oxidation followed by settling and filtration Lime soda process or manganese zeolite process ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most suitable unit for expressing nuclear radius is : Angstrom Fermi Nanometre Micron Angstrom Fermi Nanometre Micron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Copper Iron Zinc Aluminium Copper Iron Zinc Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of replenishable energy source is– Biomass Coal Petroleum Lignite Biomass Coal Petroleum Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Nitrous oxide Carbon monoxide Sulphur dioxide Carbon dioxide Nitrous oxide Carbon monoxide Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS