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Squeeze out juice from an unripe orange. Put tiny piece of Zinc or Aluminum foil into the juice. Leave the mixture for a few minutes. State and explain your observation.

Sagot :

Answer:

A colorless odorless gas evolves

Explanation:

Orange juice is highly acidic. Unripe orange juice is even more acidic! As a result of this, unripe orange juice irritate the digestive tract.

We know that metals that are high up in the activity series evolves hydrogen gas when in contact with acids.

Hence, given the low pH of unripe orange juice, zinc or aluminium will evolve colorless odorless hydrogen gas after some minutes.