![subject](/tpl/images/cats/himiya.png)
Chemistry, 18.01.2020 03:31 jerrym163176
When sodium metal is added to water, an orange flame is observed on the metal surface. based on this observation, what can best be concluded?
a physical change occurs because the metal gets smaller.
a chemical reaction occurs because the liquid becomes cloudy.
a chemical reaction occurs because heat and light are given off.
a physical change occurs because vapor is released into the air.
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 17:00
An aqueous solution of hydroiodic acid is standardized by titration with a 0.186 m solution of calcium hydroxide. if 26.5 ml of base are required to neutralize 20.3 ml of the acid, what is the molarity of the hydroiodic acid solution? m hydroiodic acid
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 20:40
If equal masses of the listed metals were collected , which would have a greatest volume ? a. aluminum 2.70,b.zinc7.14,c.copper 8.92,d.lead 11.34
Answers: 2
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 09:20
What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?
Answers: 1
You know the right answer?
When sodium metal is added to water, an orange flame is observed on the metal surface. based on this...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 25.01.2020 17:31
![question](/tpl/images/cats/istoriya.png)
History, 25.01.2020 17:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.01.2020 17:31
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 25.01.2020 17:31
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 25.01.2020 17:31
![question](/tpl/images/cats/istoriya.png)
History, 25.01.2020 17:31
![question](/tpl/images/cats/mat.png)
Mathematics, 25.01.2020 17:31
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/health.png)
Health, 25.01.2020 17:31
![question](/tpl/images/cats/health.png)