Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is All of them Oxygen Carbon dioxide Hydrogen All of them Oxygen Carbon dioxide Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method of concentrating the ore which makes use of the difference in density between ore and impurities is called levigation leaching liquation magnetic separation levigation leaching liquation magnetic separation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Magnesium Calcium Manganese None of these Magnesium Calcium Manganese None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Phosphorus is kept in water because Its critical temperature is low Its critical temperature is high Its ignition temperature is very high Its ignition temperature is very low Its critical temperature is low Its critical temperature is high Its ignition temperature is very high Its ignition temperature is very low ANSWER DOWNLOAD EXAMIANS APP
Chemistry Dry powder fire extinguishers contain Sand Sand and potassium carbonate Sand and sodium carbonate Sand and sodium bicarbonate Sand Sand and potassium carbonate Sand and sodium carbonate Sand and sodium bicarbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The hottest part of the gas flame is known as non-luminous zone luminous zone blue zone dark zone non-luminous zone luminous zone blue zone dark zone ANSWER DOWNLOAD EXAMIANS APP
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