7) Zian wants to protect his bicycle's parts from rusting fast. Which of the
following materials do you think Zian will use?
A kerosene
B. Vinegar
C. Lubricating Oil
D. isopropyl alcohol
8) Yohan scratched himself when his arm bumped into the concrete post. What
should be applied to make his bruises free from harmful germs?
C. kerosene
B. isopropyl alcohol
D. water
A. acetone​