Does sugar turn brown when heated?

1. Is there any way to prevent the sugar from turning brown from heating?

1.1. Does wetting the sugar prevent it from turning brown?

1.2. Does adding other materials to the sugar prevent it from turning brown?

2. Why does the sugar turn brown when heated?

3. What happens to the chemical composition of the sugar when it is heated?

3.1. Is there a new chemical property?

3.2. Is the sugar still edible?

3.3. Is there a change in texture?

4. Does the sugar lose its sweetness when heated?

5. New node