If you place a potato on an piece of unprinted paper in the microwave oven, the potato would heat up, the paper would not.
A potato wrapped in paper will cook in a microwave oven, because paper does not block microwaves. A potato wrapped in aluminum foil would not cook in a microwave because aluminum foil does block microwaves.
Stick it back in the place where you put unprinted paper.
It turns blue.
Nothing - red litmus paper indicates the presence of bases.
Red litmus paper will stay red when placed in hot water, as it only changes color in the presence of acids. If the hot water is acidic, then the red litmus paper will turn blue.
Blue litmus does not change when placed in a basic solution.
Potato juice is typically neutral or slightly acidic, so if you test it with litmus paper, blue litmus paper will remain blue, and red litmus paper will remain red. This indicates that potato juice does not change the color of either type of litmus paper, reflecting its neutral pH.
If you mean a hot potato, then yes, you can wrap it in paper towels. Why? Because it's small enough. You can wrap anything in paper towels if it's small enough.
Potato
It maintains its original hue. When placed in a base (metal oxide+water), it will turn blue.
Otgfcch
potato potato ching chong tomato