Have some online HW to do, and only a few chances to get them right. Unfortunately, it doesn't tell me which ones I've gotten wrong 
. The following are the ones I wasn't 100% sure on. This is my last chance....You do not have to answer all of them, if you don't know them. Much appreciated!
1) What word means the application of scientific principals to meeting human needs?
a) Chemistry
b) Technology
c) Science
d) Engineering
2)A typical aspirin contains 5.00 GRAINS of pure aspirin analgesic compound. The rest of the tablet is starch. How many aspirin tablets can be made from 50.0 GRAMS of pure aspirin? (1 gram is = to 15.4 grains)
a) 10
b) 16
c)107
d) 154
3) Which of the following is not a physical property of matter?
a) Flash Point
b) Odor
c) Compressibility
d)Melting Point
e) Color
4) Which of the following is an example of a chemical property?
a) Flammability
b) Color
c) Hardness
d) Temperature
e) Melting
5) Air is an:
a) Element
b) Compound
c) Mixture
d) Molecule
e) Pure
6) NaCl is best classified as
a) Pure Substance
b) Element
c) Compound
d) Homogeneous Mixture
e) Both A & C
. The following are the ones I wasn't 100% sure on. This is my last chance....You do not have to answer all of them, if you don't know them. Much appreciated!1) What word means the application of scientific principals to meeting human needs?
a) Chemistry
b) Technology
c) Science
d) Engineering
2)A typical aspirin contains 5.00 GRAINS of pure aspirin analgesic compound. The rest of the tablet is starch. How many aspirin tablets can be made from 50.0 GRAMS of pure aspirin? (1 gram is = to 15.4 grains)
a) 10
b) 16
c)107
d) 154
3) Which of the following is not a physical property of matter?
a) Flash Point
b) Odor
c) Compressibility
d)Melting Point
e) Color
4) Which of the following is an example of a chemical property?
a) Flammability
b) Color
c) Hardness
d) Temperature
e) Melting
5) Air is an:
a) Element
b) Compound
c) Mixture
d) Molecule
e) Pure
6) NaCl is best classified as
a) Pure Substance
b) Element
c) Compound
d) Homogeneous Mixture
e) Both A & C