Answer the following question given this paragraph: 

Pectin, a carbohydrate from fruit juices, is a gel-forming substance important in jelly making. Silica gel, a colloidal dispersion of hydrated silicon dioxide, is formed when dilute hydrochloric acid is added to a dilute solution of sodium silicate. Canned Heat is a gel made by mixing alcohol and a saturated aqueous solution of calcium acetate.


Q: What carbohydrate from fruit juices is a gel-forming substance important in jelly making?

 Choices:

- potassium

- gelatin

- cellulose

- pectin

A:
pectin
