Question

Which of these substances i) jello ii) the liquid called tea iii) distilled water is a mixture?

Answer 1

The answer is ii) the liquid called tea.

That is ii) the liquid called tea is a mixture.  

the liquid called tea is a homogeneous mixture that contains organic and inorganic compounds,  sugar(organic carbohydrate),tea leaf extract(organic), water(inorganic).

Whereas (iii) distilled water, is a pure substance while (I) gello is a colloid.