subject
Chemistry, 10.12.2020 01:00 owlsandR5

A silver ring reacts with compounds containing sulfur in the air to form silver sulfide, a black substance that makes up the tarnish on the surface of silver objects. To remove that tarnish from the ring, students placed it in a pan lined with aluminum foil and added hot water. Baking soda was added to the hot water and stirred. Students made observations about the process. Which observation of this process provides evidence of a chemical reaction? * A- Hot water heated the aluminum foil
B- The liquid solution changed color
C- The pan was lined with aluminum foil
D- The hot water cooled

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 22.06.2019 08:30
Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?
Answers: 1
question
Chemistry, 22.06.2019 12:30
Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d
Answers: 1
question
Chemistry, 23.06.2019 04:00
Why must humans find substitutes for many minerals found on earth? (a) form at an extremely slow rate (b) controlled by other countries (c) too deep in the earth to collect
Answers: 1
question
Chemistry, 23.06.2019 07:00
The following transition occurs at a molecular level for a substance. what transition corresponds to this change in microscopic structure? the carbon dioxide molecules on the left are in a regular, tightly packed pattern. after heating, it becomes much lower density. a. melting b. boiling c. sublimation d. freezing
Answers: 1
You know the right answer?
A silver ring reacts with compounds containing sulfur in the air to form silver sulfide, a black sub...
Questions
question
Mathematics, 02.03.2021 03:10
question
Mathematics, 02.03.2021 03:10
question
Mathematics, 02.03.2021 03:10
question
Mathematics, 02.03.2021 03:10
question
Mathematics, 02.03.2021 03:10
question
Mathematics, 02.03.2021 03:10
Questions on the website: 13722367