![subject](/tpl/images/cats/himiya.png)
Which of the following provides evidence that a chemical change has taken place? a). the original substance can be recovered by physical processes b). a gas is formed when tow liquids are mixed c). some pieces of substances get smaller or disappear d). one substance dissolves in another
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 21:00
Consider the nuclear equation below. 239 > x + 4 he 94 2 what is x? 1.235 cm 96 2.243 u 92 3.235 u 92 4.243 cm 96
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 20:30
Water undergoes a large change in density at 0 β c as it freezes to form ice. calculate the percent change in density that occurs when liquid water freezes to ice at 0 β c given that
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 01:30
Concentrations expressed as a percent by mass are useful when the solute is a a. liquid b. gas c. solid
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 03:30
Mr. rose asked his student to draw a quadrilateral with four unequal sides. an example of this kind of quadrilateral
Answers: 1
You know the right answer?
Which of the following provides evidence that a chemical change has taken place? a). the original s...
Questions
![question](/tpl/images/cats/ekonomika.png)
Business, 29.01.2021 01:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 29.01.2021 01:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 29.01.2021 01:00
![question](/tpl/images/cats/mat.png)
Mathematics, 29.01.2021 01:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.01.2021 01:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.01.2021 01:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)