subject
Chemistry, 16.07.2020 18:01 kiki4832

A solid white substance A is heated strongly in the absence of air. It decomposes to form a new white crystalline substance B and a gas C. The gas ignites readily when combined with hydrogen gas and a liquid uncolored substance resulted. Based on these observations, can we determine whether solids A and B and gas C, are elements or compounds?

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 21.06.2019 18:00
Select the atomic models that belong to the same element
Answers: 2
question
Chemistry, 22.06.2019 08:40
Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.
Answers: 2
question
Chemistry, 22.06.2019 10:00
The tendency of water molecules to stick together is referred to as a) adhesion b) polarity c) cohesion d) transpiration e) evaporation
Answers: 1
question
Chemistry, 22.06.2019 11:40
Enzymes affect the reactions in living cells by changing the
Answers: 3
You know the right answer?
A solid white substance A is heated strongly in the absence of air. It decomposes to form a new whit...
Questions
question
History, 21.06.2019 15:40
Questions on the website: 13722367