I think during toddler years, I used to be sooo paranoid during that time because I used to think about robbery, etc.
Answer:
when silver articles exposed to air silver racts with Sulphur present in the atmosphere and form a black layer of silver sulphide on the surface. copper articles get tarnished by reacting with air and water. due to this, a layer is formed over copper vessels.
Answer:
Increase
Explanation:
Boyle's law states volume and pressure have an inverse relationship.
- Hope that helped! Let me know if you need further explanation.
