__________ gives hardness to stainless steel.
Carbon
The correct answer is: Carbon. Carbon is added to stainless steel to provide hardness.
Gold and copper happen to absorb ______ and violet light, leaving yellow light.
Which of the following is NOT an alloy?
Iron from its ore is converted to pig iron in a _______.
Which one of the following metals has both malleability and ductility properties:
What is the percentage of carbon in steel?