Which of the following could provide definitive evidence of a chemical reaction? Choose two correct answers.(1 point)
Responses
A solid has dissolved in a liquid.
A solid has dissolved in a liquid.
A new substance, oxygen gas, has formed.
A new substance, oxygen gas, has formed.
Liquid water has frozen to form ice.
Liquid water has frozen to form ice.
A new substance, rust, has formed.
A new substance, oxygen gas, has formed.
A new substance, rust, has formed.
Place each change in the column that correctly identifies it as a chemical change or a physical change. (Drag and drop phrases into the correct columns.)(2 points)
Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse.
CHEMICAL CHANGES PHYSICAL CHANGES
Since there is no input available to drag and drop phrases into the correct columns, I cannot provide a response to this question. Please provide the phrases to be sorted into the columns and I will assist you further.
boilng water baking cake evaporating water rusting iron netuarlising acid breaking glass
CHEMICAL CHANGES:
- Baking cake
- Rusting iron
- Neutralizing acid
PHYSICAL CHANGES:
- Boiling water
- Evaporating water
- Breaking glass
Select the correct response from the drop-down menu.(1 point)
Naturalization is a legal process by which a person
Choose
gives up her or his citizenship
is forced to leave a country
becomes a citizen of another country
can legally live and work in another country
becomes a citizen of another country
Which of the following is a responsibility of U.S. citizens?
(1 point)
Responses
running for public office
running for public office
worshiping freely
worshiping freely
serving on a jury
serving on a jury
supporting human rights around the world
All of the options listed are responsibilities of U.S. citizens.
- Running for public office
- Worshiping freely
- Serving on a jury
- Supporting human rights around the world
Which of the following is a responsibility of U.S. citizens?
(1 point)
Responses
running for public office
running for public office
worshiping freely
worshiping freely
serving on a jury
serving on a jury
supporting human rights around the world
pick one