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Which of the following substances is used to preserve foods? A) sodium nitrite B) biguanides C) potassium hydroxide D) chlorophyll
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3 votes
Which of the following substances is used to preserve foods?

A) sodium nitrite
B) biguanides
C) potassium hydroxide
D) chlorophyll

User Siddi
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1 Answer

6 votes
I think it’s sodium nitrate
User Onevcat
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