angy2006ovgasd angy2006ovgasd

18-05-2020
Biology

contestada

Which of the following is a chemical reaction?
1.Freezing liquid Mercury
2.Filling a balloon with air
3.Cutting a piece of paper into two pieces
4.Dropping a sliced orange into a vat of Sodium Dydroxide

Respuesta :

bloosomctten bloosomctten

18-05-2020

Answer:

option 4 seems like best choice

Explanation:

Other options are physical reactions

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