Chemistry Which one of the following chemicals helps in fruit ripening? Isoproturan Ethephon Malathion Atrazine Isoproturan Ethephon Malathion Atrazine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Where does the oxygen that keeps us alive come from? Carbon dioxide Oxides of minerals Carbonates absorbed from soil Water Carbon dioxide Oxides of minerals Carbonates absorbed from soil Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of plastic polymer from which combs, toys, bowls etc., can be made, is Teflon Polyurethane Polystyrene Metallic polysulphides Teflon Polyurethane Polystyrene Metallic polysulphides ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial fruit ripening of green fruit is Ethylene Acetylene Methane Ethane Ethylene Acetylene Methane Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins? Iron Copper Aluminium Titanium Iron Copper Aluminium Titanium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of carbon monoxide is Industrial process Solid waste disposal Fuel combustion Transportation Industrial process Solid waste disposal Fuel combustion Transportation ANSWER DOWNLOAD EXAMIANS APP
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