Question

I need correct answers

Answer 1

Explanation:

onion juice is a natural indicator which uses to detect a solution is acid either base. When the cloth strip of onion odour dipped in a solution ,odour changes which indicate that it is a acidic solution so that it converts the blue litmus to red

a) When this solution (acidic) reacts with zinc which is metal ,formation of salt and hydrogen gas takes place

b) Solid sodium carbonate which is washing soda (Na2CO3) when reacts with acid formation of salt, CO2 and H2O takes place

Answer 2

Answer:

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Explanation:

onion is a natural indicator

a) if the liquid is acidic according to your question, it will neutralise the zinc granules.

b) Solid sodium carbonate which is washing soda (NA CO3) when reacts with acid formation of salt, co2 and H2o takes place.