Chemistry What is the most commonly used substance in fluorescent tubes? Mercury vapour and argon Mercury oxide and neon Sodium oxide and argon Sodium vapour and neon Mercury vapour and argon Mercury oxide and neon Sodium oxide and argon Sodium vapour and neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The luster of a metal is due to its high density presence of free electrons its high polishing its chemical inertness its high density presence of free electrons its high polishing its chemical inertness ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium bicarbonate is commercially known as Baking soda Washing soda Soda lime Caustic soda Baking soda Washing soda Soda lime Caustic soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry White phosphorus is generally kept under Water Alcohol Glycerine Kerosene oil Water Alcohol Glycerine Kerosene oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pyrethrin used in mosquito coil is obtained from A seed plant An insect A fungus A bacterium A seed plant An insect A fungus A bacterium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is found in chlorophyll ? Fe2+ Ca2+ Mg2+ A l3+ Fe2+ Ca2+ Mg2+ A l3+ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS