soap. vinegar. table salt. baking soda.
I gave my students this multiple choice question: Sodium (Na) and chlorine (Cl) combine to form sodium chloride (NaCl), which is commonly known as

Only one answer is correct among these 4 choices:
- soap.
- vinegar.
- table salt.
- baking soda.

Could you tell me which one is correct?

table salt.