Question

6. What causes browning of the cut surface of a brinjal?
7. What is the product of dissolving magnesium oxide in water?
8. Write the symbols of the following elements: Carbon, oxygen, hydrogen, magnesium, mercury, silver​

Answer 1

1)When fresh fruits and vegetables are peeled or cut open, the enzyme called polyphenol oxidase (also called tyrosinase) contained in the cells is exposed to and reacts with the oxygen in the air. The reaction that occurs, which is called oxidation, is what turns the fruits and vegetables brown.

2)Here in the above chemical reaction, when magnisium oxide reacts with water, it forms Magnesium hydroxide. It's a reversible reaction. This reaction takes place in cold water.

3)

CARBON- C

OXYGEN - O

HIDROGEN - H

MAGNESIUM - Mg

MERCURY - Hg

SILVER-Ag

Answer 2

Answer:

6. After cutting the brinjal when we will leave for 1

1 or more day the brinjal will browning