Question

please guys answer me as fast as possible plssss. . . . . . ​

Answer 1

Answer:

a. False(elements are pure substances)

b. True

c. True

d. True

e.False(only chemical methods)

f. True

g. True

Answer 2

Explanation:

a: False

b: True

c: True

d: True

e: False

f: True

g: True