Chemistry The most abundant metal in the Earth’s crust is Zinc Iron Copper Aluminium Zinc Iron Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Nickel and cadmium Zinc and carbon Iron and cadmium Lead peroxide and lead Nickel and cadmium Zinc and carbon Iron and cadmium Lead peroxide and lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of lead is Magnetite Siderite Pyrolusite Galena Magnetite Siderite Pyrolusite Galena ANSWER DOWNLOAD EXAMIANS APP
Chemistry An element of atomic no. 29 belongs to D-block F-block S-block P-block D-block F-block S-block P-block ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of nitrogen present in ammonium sulphate is : 0.25 0.305 0.27 0.18 0.25 0.305 0.27 0.18 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the purest form of iron? Wrought iron Cast iron Pig iron Steel Wrought iron Cast iron Pig iron Steel ANSWER DOWNLOAD EXAMIANS APP
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