Chemistry What is the most commonly used substance in fluorescent tubes? Mercury oxide and neon Mercury vapour and argon Sodium vapour and neon Sodium oxide and argon Mercury oxide and neon Mercury vapour and argon Sodium vapour and neon Sodium oxide and argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carbon footprint can be reduced by Recycling waste materials All of these Commuting by public transport Using energy efficient appliances Recycling waste materials All of these Commuting by public transport Using energy efficient appliances ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alum is used as A disinfectant An analgesic A fertilizer A purifier for water A disinfectant An analgesic A fertilizer A purifier for water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a ‘green house gas’ ? Methane Nitrogen Chlorofluorocarbons Carbon dioxide Methane Nitrogen Chlorofluorocarbons Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silk fibre chemically is : Protein Carbohydrate Cellulose Fat Protein Carbohydrate Cellulose Fat ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number of an atom gives the number of which of the following ? Protons Neutrons and protons Electrons Neutrons Protons Neutrons and protons Electrons Neutrons ANSWER DOWNLOAD EXAMIANS APP
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