Chemistry
Grade-10
Easy
Question
Shiny metal surfaces and other articles losing their shining appearance due to chemical reactions on the surface is known as _____
- Pollution
- Browning
- Tarnishing
- Rusting
Hint:
Tarnishing is the loss of shine of a metal
The correct answer is: Tarnishing
- Browning can be defined as formation of brown layer over metal surface due to corrosion.
- Shiny metal surfaces and other articles losing their shining appearance due to chemical reactions on the surface is known as tarnishing.
- Rusting is the formation of brown brittle coating over iron substances mainly.
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