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12 votes
12 votes
Which of the following is/are true?

a
Mixing an acid with base to produce salt and water
is a physical change
b Inflating a volleyball is a chemical change
C Tarnishing of silver is a chemical Change
d All of the above

User Bharath T S
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3.2k points

1 Answer

13 votes
13 votes

C

Tarnishing of silver is caused by hydrogen sulfide and other sulfur containing compounds in the air reacting to the silver and resulting in a fine layer of silver sulfide. The other answers don't make sense

User Emeka
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2.7k points