1. MULTIPLE CHOICE Read and analyze the situations carefully and choose the letter of the correct answer.

1. What unusual property do carbon atoms have? A. They can bond to each other to forms chains. B. They are magnetic. C. They are always pair up to form molecules. D. All of the above.

2. Which of these is NOT a use of graphite? A. Preservatives C. Lubricant B. Electrodes D. Pencil

3. Marcela told her grandson, Miguel, never to play with gasoline. Why do you think she does not allow him to do it? A. Because gasoline is volatile B. Because gasoline is flammable C. Because gasoline is viscous D. All of these

4. Juan Victor's grandmother was cooking their supper when she suddenly stopped and said, "Oh, the tank is already empty!". Then her grandmother asked him to buy another tank. What did Victor's grandmother ask him to buy? A. Gasoline C. lubricating oil B. water D. LPG

ty sa sagot​