nope
yes, pineapple peels can make vinegar
Yes, pineapple juice can be turned into pineapple vinegar. Raw Pineapple Vinegar is made using thinly sliced pineapple, brown sugar, cloves and water. There are several detailed vinegar recipes available on the internet.
fruit
pH paper will turn red when put in vinegar, indicating that vinegar is acidic.
grapes can be turned into balsamic vinegar
No, it would cause it to turn because of the acid in the pineapple.
Since vinegar is an acid it would turn red.
A turkey wishbone will turn to rubber when placed in vinegar because the vinegar dissolves the calcium. Calcium is what makes a bone hard.
Yes, banana peels can be used to make vinegar in an investigatory project. The peels contain natural acids that can be fermented to produce vinegar. This can be a simple and interesting project to explore the process of vinegar production.
no
If if it is red Litmus paper, then it will remain red because vinegar is acidic. (Blue Litmus paper would turn red if you dipped it into vinegar).
If the vinegar is strong enough to be below 4.5 pH the litmus paper will turn (or stay) red.