Civil Services WBCS (Executive) Prelims + Mains Mock Tests 2025 General Science Chemistry Chemistry in Everyday Life
Match the following:
| Substance | pH | ||
| i. | Lemon juice | a. | 14 |
| ii. | Gastric juice | b. | 1.2 |
| iii. | Milk of magnesia | c. | 2.2 |
| iv. | Sodium hydroxide solution | d. | 10 |
1
i - c, ii - b, iii - d, iv - a
2
i - d, ii - b, iii - c, iv - a
3
i - c, ii - b, iii - a, iv - d
4
i - a, ii - b, iii - c, iv - d