Unit :17 Metals
1. Which is the most reactive metal?i. copperii. Goldiii. Silveriv. IronAns: iv. Iron 2. Which of the following statement is correct ?i. Bauxite is an ore of aluminiumii. Haematite is an ore of silver.iii. Pyrite is an ore of iron.iv. Alluvial soil is an ore of copper.Ans: i. Bauxite is an ore of aluminium 3….