Chemistry, 25.07.2019 08:00 Lydiac8715
Why is 18-karat gold considered a mixture rather than a pure substance? a) it has a variable composition. b) its color is different than pure gold. c) the gold atoms are not arranged in a repeating pattern. d) it can be melted and transformed into a different substance
Answers: 2
Another question on Chemistry
Chemistry, 22.06.2019 12:30
If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?
Answers: 3
Chemistry, 22.06.2019 20:00
State one important difference between a physical change and a chemical change?
Answers: 1
Chemistry, 23.06.2019 06:00
Robert leaves a chocolate bar in his car while attending school all day. when he goes to his car in the afternoon, the bat has changed into gooey liquid. what happened to the chocolate bar
Answers: 1
Chemistry, 23.06.2019 06:10
How can liquids be seperated by density a the liquids are absorbed onto a paper b the liquids are turned into seperate vapors c the liquids are collected as they evaporate d the liquids are allowed to seperate into layers
Answers: 1
You know the right answer?
Why is 18-karat gold considered a mixture rather than a pure substance? a) it has a variable compos...
Questions
Mathematics, 07.12.2019 10:31
History, 07.12.2019 10:31
Mathematics, 07.12.2019 10:31
English, 07.12.2019 10:31
English, 07.12.2019 10:31
Mathematics, 07.12.2019 10:31
Biology, 07.12.2019 10:31
Mathematics, 07.12.2019 10:31
Mathematics, 07.12.2019 10:31
