Answer:
When manganese(IV) oxide is added to hydrogen peroxide, bubbles of oxygen are given off. To make oxygen in the laboratory, hydrogen peroxide is poured into a conical flask containing some manganese(IV) oxide. The gas produced is collected in an upside-down gas jar filled with water.
Answer:
The substance which responds to the change in the concentration of the hydronium ions in solution by changing its color is known as an indicator.
Answer:
yes It can because it can be changed by any property
Key word is “halo”, as in “halogens”. The halogens are group 7 on the periodic table, which includes Florine, Chlorine, Bromine, and Iodine
Answer is 4.
All I know us the San Andreas fault line. That earthquake is far overdo
