| S. No. | Samples | Blue litmus to red | Red litmus to blue |
| (i) | Tamarind juice |  | \[\times \] |
| (ii) | Sugar syrup | \[\times \] | |
| (iii) | Lime water | \[\times \] | |
| (iv) | Soap solution | | \[\times \] |
A) (i) and (iii) only
B) (ii) and (iv) only
C) (i), (ii) and (iii) only
D) (i), (iii) and (iv) only
Correct Answer: A
Solution :
Sugar syrup is neutral and hence the colour of blue litmus and red litmus remains unchanged. Tamarind juice is acidic, so blue litmus turns red but red litmus does not change its colour. Lime water and soap solution are basic in nature which turn red litmus blue whereas blue litmus remains unchanged.
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