or log in
In this lesson you will learn about the history of fire and the conditions necessary for...
Change in the colour of the cobalt(II) chloride solution due to heating and cooling.
A surprising phenomenon occurs when we hold a statically charged ruler near water flowing from a...
Have you ever thought about why honey flows so slowly from a spoon compared to water?
Knallgas is the mixture of hydrogen and oxygen. It will explode when ignited.
Examining the colour of cobalt(II) chloride in water and hydrochloric acid.
Polymerised ethylene is known as polyethylene, a type of plastic.
An exercise about the polarity of molecules.