From the compounds i) nh3 ii) naoh iii) hcl identify the brønsted base(s). 1. i and iii only 2. ii and iii only 3. i and ii only 4. iii only 5. ii only

According to Bronsted-Lowry an acid is any species that is capable of donating a proton H+ while a base is any species that is capable of accepting a proton. In this case, both NH3 and NaOH can act as proton acceptors in a reaction. Therefore the correct answer is 3 (i and ii only)

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False, as a substance changes from a solid to a liquid and from a liquid to a gas the molecules get farther apart from each other