Question

please answer these all questions​

Answer 1

Explanation:

1) pH scale

2)option 2

3)3(may be)

4)calcium sulphate

5)sorensen

6)slightly alkaline

7)acid rain

8)NaOCl

9)5.5

10)antacids...

hopeit helps u...thank u...have a grt day..

Answer 2

Answer:

1. PH sclae
2. 4
3. Both a and b
4. Calcium sulphate
5. Sorensen
6. Slightly alkaline
7. Acid rain
8. NaOCl
9. 5.5
10. Antacids