1.Dino owes Carlo PhP 100,000.00 in payment for which Carlo accepts a check from Dino. On the ground that a check is not legal tender, Carlo later insists that Dino pay him in cash. Is Dino justified in rejecting this demand of Carlo?

2. Jerry obliged himself to paint a picture for Carla to be finished within the month. One week after the obligation was constituted, Jerry met an accident, as a result of which, his arms were amputated. What is the liability of Jerry?

3. Give the cases when loss of the specific thing to be delivered will not exempt the obligor from liability even in the absence of fault or delay.

4. What are the requisites of a valid Confusion which will validly extinguish the obligation?

5. What are the requisites of Novation as a mode of extinguishment of obligations?