Chemistry The most abundant metal in the Earth’s crust is Aluminium Iron Copper Zinc Aluminium Iron Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has greatest mass ? Hydrogen nucleus Electron Proton Neutron Hydrogen nucleus Electron Proton Neutron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most acidic Na2O MgO Al22O3 CaO Na2O MgO Al22O3 CaO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which mineral is the ore of aluminium ? Magnetite Haematite Siderite Bauxite Magnetite Haematite Siderite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon is a type of Polyamide Polyester Acrylic Polyolefin Polyamide Polyester Acrylic Polyolefin 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 Titanium Copper Iron Aluminium Titanium Copper ANSWER DOWNLOAD EXAMIANS APP