Chemistry The gas that usually causes explosions in coal mines is Carbon monoxide Air Methane Hydrogen Carbon monoxide Air Methane Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a monoatomic gas? Nitrogen Oxygen Fluorine Neon Nitrogen Oxygen Fluorine Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is used in Space Crafts to withstand high temperatures ? Ni Fe Ti Pb Ni Fe Ti Pb ANSWER DOWNLOAD EXAMIANS APP
Chemistry Catalyst is a substance which Decreases the rate of reaction Increases the rate of the reaction None of these Has no action on the rate of the reaction Decreases the rate of reaction Increases the rate of the reaction None of these Has no action on the rate of the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry ‘Aerosol’ is known as Pollutant gas, present in air Green house gas present in air Suspended solid particles in air Microbes, present in air Pollutant gas, present in air Green house gas present in air Suspended solid particles in air Microbes, present in air ANSWER DOWNLOAD EXAMIANS APP
Chemistry In galvanization, iron is coated with Nickel Copper Zinc Tin Nickel Copper Zinc Tin ANSWER DOWNLOAD EXAMIANS APP
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