Which is a compound?
sugar
air
nitrogen
sodium...
![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, 21.06.2019 14:30
As a part of an experiment a student burns propane to produce carbon dioxide and water she remembers that she must follow the law conservation of matter when writing a balanced chemical equation which of these equation adheres to the law of conservation of matter
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 20:30
Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 22:30
Complete the sentence. the lower the hydrogen ion concentration, the the ph. higher lower closer to 7 closer to 0
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 06:00
One does not belong why? ice, gold ,wood ,diamond and table salt
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/health.png)
Health, 23.09.2019 17:10
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 23.09.2019 17:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 23.09.2019 17:10
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 23.09.2019 17:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)