Question

1. which of the following foods taste sour? banana, lime, pineapple, broccoli, lemon
2. which of the following substances feel slippery to the touch? water, vegetable oil, laundry detergent, soap, soda

Explanation:

Acids taste sour, bases feel slippery. Lemons, limes and pineapples are acidic. Soaps and laundry detergents are basic.

Answer:

1. Lime, Pineapple, Lemon
2. Laundry detergent, Soap