Order the following substances from the least toxic to the most toxic: Least Toxic
1
chlorine (LD50 = 850 mg/kg)
2.
aspirin (LD 50 = 200 mg/kg)
3
cola flavoring (LD 50 = 140 mg/kg)
4
vitamin A (LD50 = 2000 mg/kg)
Most Toxic
12
1 point
Ps

answers: to make sure that all of the broken pieces of tablet were added to the water, to allow for fair comparison of all three trials, with different particle sizes to avoid experimental error

substituting a hydrogen atom with a halogen in a hydrocarbon:

- the single bond remains single. a is wrong.

- the bond with hydrogen is as strong as with a halogen. c is wrong

- a hydrocarbon is saturated if there is no double bond. we do not know that so d is wrong.

- carbon will always have four valence electrons. e is wrong.

by elimination, the correct answer is b. the boiling point of the new compound increases.

i only know number one that’s a galaxy