Which formula represents an unsaturated hydrocarbon? (А)
Hн
H-C=C-H
B) Hн
H-C-C-H
ТІ
Hн
Hн
| |
н-с-с-ОН
но
н-с-с-Н
т
Н
- ..
Hн.
Which pair of compounds are isomers?
a. No2 and N204
b. P205 and P4010
C. HCOOH and CH3COOH
d. CH3OCH3 and C2H5OH

How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car

Weight is a measure of: inertia force matter mass