Chemistry The temperature of oxy-acetylene flame is around 4000°C 3200°C 2800°C 3600°C 4000°C 3200°C 2800°C 3600°C ANSWER DOWNLOAD EXAMIANS APP
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 When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is Carbon dioxide Hydrogen Oxygen All of them Carbon dioxide Hydrogen Oxygen All of them ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Copper Cadmium Chromium Lead Copper Cadmium Chromium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is present under pressure in soft drinks? Oxygen Nitrous oxide Nitrogen Carbon dioxide Oxygen Nitrous oxide Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one among the following is not a mixture? Brass Graphite Steel Glass Brass Graphite Steel Glass ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS