Question : The principal__________ reserves are in Neyveli in Tamil Nadu.

Option 1: bauxite

Option 2: iron ore

Option 3: copper

Option 4: lignite

Question : Copper wires are generally used for electrical power transmission instead of iron wire because:

Option 1: Copper is cheaper than iron

Option 2: Copper is lighter than iron

Option 3: Copper is a good conductor of electricity than iron

Option 4: Copper can take higher power than iron

Question : Which of the following is an ore of Aluminium?

Option 1: Bauxite

Option 2: Granite

Option 3: Tantalite

Option 4: Magnetite

Question : Which of the following metals can deposit copper from copper sulphate solution?

Option 1: Platium

Option 2: Mercury

Option 3: Iron

Option 4: Gold

Question : Bronze is an alloy of

Option 1: Copper and Tin

Option 2: Copper and Zinc

Option 3: Copper and Iron

Option 4: Iron and Nickel