Question

1)state the colour of phenolphthalein in soap solution
2)for a dilution of acid ,acid is added into water and not water into acid

Answer 1

Answer:

1. The colour of phenolphthalein in soap solution is PINK.

2. If you add water to acid it forms an extremely concentrated solution of acid initially. So much heat is released that the solution may boil very violently, splashing concentrated acid out of the container and all this because the reaction is exothermic. ... So it is always safer to add acid to water, and not water to acid.

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