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? Aluminium Copper Titanium Iron Aluminium Copper Titanium Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon threads are made of Polyamide polymer Polysaccharide Polyvinyl polymer Polyester polymer Polyamide polymer Polysaccharide Polyvinyl polymer Polyester polymer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultra purification of a metal is done by : Slugging Smelting Zone melting Leaching Slugging Smelting Zone melting Leaching ANSWER DOWNLOAD EXAMIANS APP
Chemistry Type metal used in printing press is an alloy of Lead and bismuth Lead and zinc Lead and copper Lead and antimony Lead and bismuth Lead and zinc Lead and copper Lead and antimony ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following does not contain Silver ? Ruby Silver Lunar Caustic German Silver Horn Silver Ruby Silver Lunar Caustic German Silver Horn Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Hydrogenated wafers Hydrogen sulphide Aluminium phosphide Aluminium sulphide Hydrogenated wafers Hydrogen sulphide Aluminium phosphide Aluminium sulphide ANSWER DOWNLOAD EXAMIANS APP