Question

select pure substance only from the given choice below
a. corbon dioxide
b. water
c. salt water
d. dough from wheat flour
e. oxygen​

Answer 1

Answer:

select pure substance only from the given choice below

a. corbon dioxide

b. water

c. salt water

d. dough from wheat flour

e. oxygen

Answer - a

Explanation:

Please mark me has brilliant

Answer 2

Answer:

e. oxygen

Explanation:

because other substances included here are having more than one element.. example:- Water = H2O = Hydrogen×2 + Oxygen×1 ...

And, Dough = Water + Wheat

Salt water = Salt (NaCl) + Water (H2O)

Carbon dioxide = Carbon (C) + Oxygen×2 (O²)