Answer the following questions given below:
Sonia prepares dough using a flour and water. She then cooks it on a hot pan to make rotis. After eating, she wonders if the roti can be changed back into dough.
1. What type of change occur while cooking roti?
2. Which of the following is correct about the change taking place in cooking roti?
3. Which of the following example is similar to cooking of roti?