Question

To test acids , bases by using olfactory indicators test with onion write down observations of substance : water, fresh milk, lemon juice cold drinks vinegar toothpaste coffee tomato juice

Answer 1

Answer:

With water there will be a pungent smell, with fresh milk the pungent smell of the onion will subdue, with lemon juice, vinegar and cold drinks the onion will not have any effect, with toothpaste there will be a subdue in the pungent smell of onion, with coffee it will not have any effect and with tomato juice there will be no effect.