You mix two cleaning chemicals and they start bubbling and releasing a funny smelling gas. First, run because it is poisonous! Second, was that a physical or chemical change? How do you know?

Answers

Answer 1

Answer:

it's a chemical change

Explanation:

When two different chemical substances are mixed they are no longer the same and can not be changed back so therefore it's a Chemical reaction.

Related Questions

What is one advantage of developing energy-efficient technologies?

Answers

Answer:

it's simple

Explanation:

For residential buildings, a whole-house approach using a cost-effectiveness criterion can result in savings of 50 percent or more in heating and cooling and 30–40 percent reductions in total energy use.

I hope you understand have a great day :3

One advantage of developing energy-efficient technologies, would be less waisted money on electricity.

The image shows a projection map.

Which type of map is this?

flat model, Mercator projection
flat model, conic projection
highly distorted model, Mercator projection
highly distorted model, conic projection

Answers

A. Flat model, Mercator projection

Answer:

A. flat model, Mercator projection

Explanation:

I just took the test :]

(Dear brainly, you can't delete this question caue its about school work too)

(Flair?) I failed my siecne mindterm with a 50%, can pass that class? (My total grade is a 90.5%)

Answers

Answer:

70% to 100% is the highest grade, a mark of Distinction. 60% to 69% earns a Merit. 50% to 59% is Pass.is what im guessing and if your grade is 90.5 and has lowerd or hasn't that is ok because it might lower to a c but i advise to work better and if it is just a 90.5 overall including the test score that is fine nbut you will pass is what im think

Explanation:

Try better next time :) hope i help so you pass im ptretty sure and if you dont just be a tryhard

I don’t understand your question but It looks like the another person answered it already did

Describe the structure of an atom. Be sure to include the terms nucleus, electron cloud, protons, neutrons, and electrons in your description

Answers

Answer:

The answer would be A because inside of an atom is protons and neutrons. Protons are + neutrons are neutral and electrons are -. The electron cloud is big not small.

Explanation:

Hope this helps, have a great day. God Bless you.

Robert Hooke was the first scientist to give the cell a name. Which statement is true about him?

a)H e looked at an onion skin with his naked eyes to see cells.

b)He invented the microscope.

c)Under the microscope he observed box-like compartments of cork tree bark.

d)He used the microscope to observe skin cells.

Answers

Answer:

The answer is C

Explanation:

Can you mark me the Brainliest it helps a lot

C should be the answer! Have a nice day!

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