היכנס
Essential Chemistry for IGCSE - Polymers (Section 1 - No. 25)
Which two of the following are commonly used for making plastics?
Polymers
Monomers
Metals
Carbon
הֶסבֵּר
Plastics are made from polymers which are made from monomers.
הערות (0)
התחבר כדי להגיב
פִּרסוֹמֶת
אפשר ל-Javascript לטעון כראוי את הדף הזה