![subject](/tpl/images/cats/himiya.png)
Chemistry, 31.03.2021 22:40 pattydixon6
Which statement is correct?
A. Physical changes produce new substances; chemical changes do not.
B. Chemical changes produce new substances; physical changes do not.
C. Both physical changes and chemical changes produce new substances.
D. Neither physical changes nor chemical changes produce new substances.
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 02:30
Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 18:00
How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.
Answers: 3
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 22:30
Which of the following is not an assumption that scientists must make about the natural world? a. regularity b. causality c. predictability d. plausibility
Answers: 1
You know the right answer?
Which statement is correct?
A. Physical changes produce new substances; chemical changes do not.
Questions
![question](/tpl/images/cats/biologiya.png)
Biology, 02.07.2019 18:30
![question](/tpl/images/cats/mat.png)
Mathematics, 02.07.2019 18:30
![question](/tpl/images/cats/mat.png)
Mathematics, 02.07.2019 18:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 02.07.2019 18:30
![question](/tpl/images/cats/mat.png)
Mathematics, 02.07.2019 18:30
![question](/tpl/images/cats/istoriya.png)
History, 02.07.2019 18:30
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 02.07.2019 18:30
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 02.07.2019 18:30
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/fizika.png)
Physics, 02.07.2019 18:30
![question](/tpl/images/cats/mat.png)
Mathematics, 02.07.2019 18:30
![question](/tpl/images/cats/mat.png)
Mathematics, 02.07.2019 18:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 02.07.2019 18:30
![question](/tpl/images/cats/health.png)
Health, 02.07.2019 18:30