Compounds, Mixtures, and Chemical Change
Compounds, Mixtures, and Chemical Change: Overview
This topic covers concepts, such as, Chemical Changes, Compounds, Properties of Compounds, Difference between Mixtures and Compounds, Characteristics of Chemical Change & Differences between Physical and Chemical Changes etc.
Important Questions on Compounds, Mixtures, and Chemical Change
Differentiate between physical change and chemical change.
What are the characteristics of chemical change ?
Sofia put a metal nail into a saucer of water. After three days, she observed that the nail was covered in a reddish-brown substance. What do we call the kind of process that forms new substances?
Sofia put a metal nail into a saucer of water. After three days, she observed that the nail was covered in a reddish-brown substance.
How can the reddish-brown substance be a problem?
Sofia put a metal nail into a saucer of water. After three days, she observed that the nail was covered in a reddish-brown substance.
What three substances are needed for it to form?
Sofia put a metal nail into a saucer of water. After three days, she observed that the nail was covered in a reddish-brown substance.
What is the reddish-brown substance called?
Compounds are formed of the same type of particles.
Define the following term:
Curdling.
A chemical change is irreversible in nature.
Differentiate between compounds and mixtures.
Differentiate between: Mixtures and Compounds.
Which of the following is not a compound?
Burning of paper is a _____(physical/ chemical) change.
An example of a chemical change is:
Respiration is a physical change.
Distinguish between physical and chemical changes.
