Chemistry Silicon is used in Semiconductors Transistors Solar energy devices All of these Semiconductors Transistors Solar energy devices All of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The green colour seen in firework displays is due to the chloride salt of : Calcium Sodium Strontium Barium Calcium Sodium Strontium Barium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of natural gas is Ethane Propane Butane Methane Ethane Propane Butane Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is obtained from sea weeds ? Iodine Sulphur Vanadium Argon Iodine Sulphur Vanadium Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gas released during Bhopal tragedy was : Methyl isothiocyanate Ethyl isothiocyanate Potassium isothiocyanate Sodium isothiocyanate Methyl isothiocyanate Ethyl isothiocyanate Potassium isothiocyanate Sodium isothiocyanate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is not a green house gas ? CH4 CO2 N2O Chlorofluorocarbons CH4 CO2 N2O Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
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