| Which combination of statements is incorrect? |
| i. All substances are either acidic or basic. |
| ii. Lime water turns red litmus blue. |
| iii. Common salt dissolved in water turns blue litmus red. |
| iv. Phenolphthalein is a natural indicator. |
| v. Calamine can be used to treat ant's sting. |
A) i, ii, iii and iv
B) i, iii and iv
C) i, ii and iv
D) ii, iii and iv
E) None of these
Correct Answer: B
You need to login to perform this action.
You will be redirected in
3 sec
