Question : Which of the following metals (shown by its symbol) is generally used for making filament of bulbs?

Option 1: Fe

Option 2: Au

Option 3: Ag

Option 4: W

Question : Which of the following metals is used in spacecrafts to withstand high temperatures?

Option 1: Fe

Option 2: Ti

Option 3: Ni

Option 4: Pb

Question : Catalytic converters are generally made from:

Option 1: Alkaline metals

Option 2: Hydrogen

Option 3: Transition metals

Option 4: Carbon

Question : Trinitrotoluene is

Option 1: Used to melt metals

Option 2: Used to fuse two metals

Option 3: Used as an abrasive

Option 4: Used as an explosive

Question : Which among the following metals is used for galvanisation?

Option 1: Zinc

Option 2: Copper

Option 3: Iron

Option 4: Silver

Question : Which of the following metals was used to make weapons and tools in Harappan cities?

Option 1: Silver

Option 2: Gold

Option 3: Copper

Option 4: Iron