Identify the underline clauses as adjective ,noun or adverb clauses.

1. Mary had a lambwhich followed her everywhere.
2. Keerat misplaced the bookthat she borrowed from the library.
3. I cannot attend the workshopas i have an appointment with the dentist.
4. Lalita is planning to buy a camerawhen the bonus is announced.
5. If there is an exhibition this weekend,I would like to go there.
6. Varun wanted to knowwhat mother had made for dessert.