Objective: use baking soda to wash veggies

Which of the following solutions is more sound in terms of naive physics reasoning?

Possible answers:
--Fill a large bowl with water. Then add a teaspoon of baking soda. Add the veggies. Soak for a minute or two. Scrub with a brush. And finally, rinse off the veggies.;
--Fill a large bowl with water. Then add a teaspoon of baking soda. Add the veggies. Soak for a minute or two. Scrub with a spoon And finally, rinse off the veggies.;
Fill a large bowl with water. Then add a teaspoon of baking soda. Add the veggies. Soak for a minute or two. Scrub with a brush. And finally, rinse off the veggies.