Chemistry Which of the following fuels causes minimum environmental pollution? Hydrogen Kerosene Coal Diesel Hydrogen Kerosene Coal Diesel ANSWER DOWNLOAD EXAMIANS APP
Chemistry CNG used in automobiles to check pollution, mainly consists of H2 CO2 CH4 N2 H2 CO2 CH4 N2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry A polymeric substance used to make parachute is Cotton Rayon Terylene Viscose Cotton Rayon Terylene Viscose ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is used to manufacture which of the following ? Terylene Nylon Artificial silk Rubber Terylene Nylon Artificial silk Rubber ANSWER DOWNLOAD EXAMIANS APP
Chemistry Concentration of a material which is lethal to 50% animal is called LD50 LC50 ADI NOAEL LD50 LC50 ADI NOAEL ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Magnesium None of these Calcium Manganese Magnesium None of these Calcium Manganese ANSWER DOWNLOAD EXAMIANS APP
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