Get premium membership and access questions with answers, video lessons as well as revision papers.
Got a question or eager to learn? Discover limitless learning on WhatsApp now - Start Now!

In an experiment air was passed through several reagents as shown in the flow chart below.

      

In an experiment air was passed through several reagents as shown in the flow chart below.
4chem2.png
(a) Write an equation for the reaction which takes place in the chamber with magnesium powder.
(b) State the Role of concentrated potassium hydroxide solution.
(c) What observation is made in the chamber containing copper turnings.

  

Answers


sharon
a)4chem3.png
b) To absorb CO2 from the air.
c) Reddish brown copper changes to black due to the oxidation copper to form copper (II) oxide.
sharon kalunda answered the question on March 19, 2019 at 07:05


Next: Describe the migration and settlement of the Eastern Bantu speaking communities in Kenya up to 1800
Previous: (a) State and explain the observations made when a few drops of concentrated sulphuric (VI) acid were added to glucose in a beaker. (b) State two...

View More Chemistry Questions and Answers | Return to Questions Index


Learn High School English on YouTube

Related Questions