Question : Which of the following is the most abundant metal on Earth's crust?

Option 1: Magnesium

Option 2: Iron

Option 3: Copper

Option 4: Aluminium

Question : The first metal used by man was 

Option 1: Aluminium

Option 2: Copper

Option 3: Iron

Option 4: Silver

Question : German silver is an alloy of

Option 1: Copper, nickel and silver

Option 2: Silver ,copper and aluminium

Option 3: Zinc copper and nickel

Option 4: Zinc silver and copper

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

Question : Bronze is an alloy of Which of the following?

Option 1: Copper and zinc

Option 2: Tin and Zinc

Option 3: Copper and Tin

Option 4: Iron and Zinc