![subject](/tpl/images/cats/himiya.png)
Chemistry, 03.11.2021 02:50 chocolate4550
Question 1 (1 point)
Why can a solution be classified as a mixture?
Question 1 options:
Both are made up of two substances that are not chemically combined.
Both are always homogeneous.
It is made up of only one substance.
Both are made up of two substances that are chemically combined.
Question 2 (1 point)
Which choice is an element?
Question 2 options:
air (N2 mixed with O2 , and CO2 )
oxygen (O2 )
sodium chloride (NaCl)
water (H2O )
Question 3 (1 point)
Which choice is a compound?
Question 3 options:
air (N2, O2 mixed with CO2)
carbon (C)
carbon dioxide (CO2 )
oxygen (O2)
Question 4 (1 point)
Which choice is a mixture?
Question 4 options:
carbon dioxide (CO2)
oxygen (O2)
air (N2 mixed with O2 and CO2)
carbon (C)
Question 5 (1 point)
How is a pure substance different from a mixture?
Question 5 options:
A pure substance is heterogeneous.
Pure substances cannot be separated by physical means.
A mixture is made of one substance.
Mixtures cannot be separated by physical means.
Please help!!
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 12:30
A50.0 ml sample of gas at 20.0 atm of pressure is compressed to 40.0 atm of pressure at constant temperature. what is the new volume? 0.0100 ml 0.325 ml 25.0 ml 100. ml
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 16:00
About 3% of the water on earth is freshest. only about 40% of that freshwater is available for human use. why is so much freshwater unavailable for human use?
Answers: 2
![question](/tpl/images/cats/himiya.png)
You know the right answer?
Question 1 (1 point)
Why can a solution be classified as a mixture?
Question 1 options...
Question 1 options...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 04.06.2020 20:04
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 04.06.2020 20:04
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 04.06.2020 20:04
![question](/tpl/images/cats/mat.png)
Mathematics, 04.06.2020 20:04
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 04.06.2020 20:04
![question](/tpl/images/cats/mat.png)
Mathematics, 04.06.2020 20:04
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 04.06.2020 20:04
![question](/tpl/images/cats/mat.png)
Mathematics, 04.06.2020 20:04
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 04.06.2020 20:04
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 04.06.2020 20:04