Chemistry The wire of flash bulb is made of: Silver Magnesium Copper Barium Silver Magnesium Copper Barium 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 Aluminium Copper Titanium Iron Aluminium Copper Titanium ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a Carbonyl group a carbon atom makes double bond with Oxygen Hydrogen None of these Carbon Oxygen Hydrogen None of these Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ethylene is a ________ molecule. Covalent Ionic Nonpolar Polar Covalent Ionic Nonpolar Polar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Solder is an alloy of Lead, zinc Copper, lead Tin, lead Sodium, lead Lead, zinc Copper, lead Tin, lead Sodium, lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultra purification of a metal is done by : Leaching Zone melting Smelting Slugging Leaching Zone melting Smelting Slugging ANSWER DOWNLOAD EXAMIANS APP
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