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 Titanium Aluminium Copper Iron Titanium Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The natural resource, known as black gold is Lead Coal Platinum Tin Lead Coal Platinum Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nuclear particles which are assumed to hold the nucleons together are mesons neutrons electrons positrons mesons neutrons electrons positrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The antiparticle of an electron is Proton Alpha particles Beta particles Positron Proton Alpha particles Beta particles Positron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heating of a ore below its melting point in the absence of air is known as Refining Roasting Smelting Calcination Refining Roasting Smelting Calcination ANSWER DOWNLOAD EXAMIANS APP
Chemistry One of the following is used to dissolve noble metals. That is Hydrochloric acid Sulphuric acid Aqua ragia Nitric acid Hydrochloric acid Sulphuric acid Aqua ragia Nitric acid ANSWER DOWNLOAD EXAMIANS APP
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