Metallurgy
Chapter 8: Metallurgy
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See all →- Divide the metals Cu, Zn, Ca, Mg, Fe, Na, Li into three groups, namely reactive metals, moderately reactive metals and less reactive metals. Highly reactive metals moderately reactive metals less reactive metals. Ca Fe Au Mg Zn Ag Na Cu Pt Li 1
- Zinc oxide is dissolved in dilute hydrochloric acid. 1) This is a double displacement reaction. 2) Zinc Oxide is an inorganic compound with formula ZnO. 3) It is insoluble in water. 4) When Zin... 2
- Electrolysis of alumina is done. The electrolysis of alumina is carried out in a steel tank lined inside with graphite. The graphite lining serves as cathode. Anode is also... 1
- A reaction was brought about between ferric oxide and aluminium. Aluminium is more reactive than iron. Aluminium metal replaces iron from ferric oxide to form aluminium oxide and iron. Chemical Equation: 2... 1
- Write chemical equation for the following events. Iron filings are dropped in aqueous solution of copper sulphate iron is more reactive than copper. it is displacement reaction in which iron displace copper sulphate in the reaction. colour of the solutio... 1
- Write chemical equation for the following events. Aluminium came in contact with air. Aluminum is a very reactive metal. The outer surface of the metal is actually covered by a very thin layer of the oxide which keeps the meta... 1