How have safety concerns about chemicals changed over time?
A. Government officials rather than scientists decide what chemicals
are dangerous.
B. All nations have agreed to a set of safety standards, so testing
chemicals is no longer necessary.
C. As scientists have learned more about chemicals, they have
become more aware of their dangers.
D. Scientists are no longer as concerned about chemicals because
they are much safer today.
Answers: 2
Chemistry, 22.06.2019 11:20, Jessicadiaz8602
Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.
Answers: 1
Chemistry, 23.06.2019 02:00, Hellopeople233
Which of the following substances is the most soluble in water? a. sodium chloride b. methane c. bromine d. carbon
Answers: 1
How have safety concerns about chemicals changed over time?
A. Government officials rather than sci...
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