b5ellDes6teanna b5ellDes6teanna

31-12-2015
Chemistry

contestada

Which substance can be decomposed by a chemical change?
(1) Co (3) Cr(2) CO (4) Cu

Respuesta :

VenusRetrograde VenusRetrograde

01-01-2016

Answer: (2) CO

Co, Cr, and Cu are elements. Elements cannot be broken down by a chemical change, but compounds can. Since CO is a compound, it can be decomposed by a chemical change.

Answer Link

Otras preguntas

Find the equation of the normal line to the curve f(x) = 2x^3 + 1 at the point (1, 3).

lmagine that you're a geographer who studies the Earth's physical features. You've noticed that there have been many volcanic eruptions in Indonesia in the last

The percentage of adolescents ages 13 to 18 owning a cell phone in 2012 compared to 2022 for 12 states was gathered. State Percentage of Adolescents with Cell P

Give an example of a real life situation in wich you can list all the solutions of an inequality. Give an example of a real-life situation in which you cannot l

How had this simulation added to your knowledge of evolution

Look at this picture graph: Library books checked out August September October November Each = 2 books How many books were checked out in total? books

Which tab under the "My Organization" pane should the Applicant select to start the process of tracking a Site Inspection Work Order?

Exam Instructions Question 12 of 20: Select the best answer for the question. 12. Which element includes the events between the falling action and the end of th

11 questions incorrectly

Change the fraction w-3/w+5 into an equivalent fraction with the denominator w²+w=20. Choose the correct option A. w²+7w-12/w²+2-20 B. w²-7w+12/w²+w-20 C. w²