Answer:
the answer for this question is the option D
It would be an physical change ; if you melt butter the butter goes from a solid to a liquid so therefore the physical state is changed.
Explanation:
the conductors are the three u have checked
Answer:
8CO + 17H2 = C8H18 + 8H2O
8, 17, 1, 8
The mass of magnesium should be less than 0.09g to enable a faster reaction rate. Magnesium reacts to form a white coating around it which stops the reaction. The lesser the gram the faster the reaction before the coating is formed. It is also advisable to use magnesium fillings to increase the rate of reaction.
