About acid

學校老師出了一些有關acid的問題...
1. How do people use acid industry?
2. What kind of acid do scientist discovered and invented?
3. What properties are used to identify acid?
4. How do acid affect the environment?
5. What is pH?
6. What is acid rain?
7. What are fossil fuels?

幫幫我~~
更新: 如果可以的話
我希望得到那些問題的答案
明天要考試... :(
3 個解答 3