Chemistry ‘Aerosol’ is known as 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 Pollutant gas, present in air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gold dissolves in Nitric acid Aqua-regia Hydrochloric acid Acetic acid Nitric acid Aqua-regia Hydrochloric acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following was used as a chemical weapon in the first world war ? Mustard gas Water gas Hydrogen cyanide Carbon monoxide Mustard gas Water gas Hydrogen cyanide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most reactive among the halogens is Iodine Bromine Fluorine Chlorine Iodine Bromine Fluorine Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry An oxidising agent is a An electron donor In a chemical reaction its oxidation number increases An electron acceptor It releases H2 in a chemical reaction An electron donor In a chemical reaction its oxidation number increases An electron acceptor It releases H2 in a chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Mercury oxide and neon Sodium vapour and neon Mercury vapour and argon Sodium oxide and argon Mercury oxide and neon Sodium vapour and neon Mercury vapour and argon Sodium oxide and argon ANSWER DOWNLOAD EXAMIANS APP
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