Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is Hydrogen Carbon dioxide Oxygen All of them Hydrogen Carbon dioxide Oxygen All of them ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is an example of noble gas ? Chlorine Nitrogen Helium Hydrogen Chlorine Nitrogen Helium Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nuclear particles which are assumed to hold the nucleons together are neutrons mesons positrons electrons neutrons mesons positrons electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of plastic polymer from which combs, toys, bowls etc., can be made, is Teflon Polyurethane Metallic polysulphides Polystyrene Teflon Polyurethane Metallic polysulphides Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide level in the atmosphere can be reduced by using Static electricity to attract it in factory chimneys More efficient car engines Catalytic converters in industry Low - sulphur fuels Static electricity to attract it in factory chimneys More efficient car engines Catalytic converters in industry Low - sulphur fuels ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents used for cleaning clothes and utensils contain Bicarbonates Nitrates Sulphonates Bismuthates Bicarbonates Nitrates Sulphonates Bismuthates ANSWER DOWNLOAD EXAMIANS APP
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