Welcome to your New Chemistry Mid term test for JSS2
Which of the following is a physical change?
What property stays the same during physical and chemical changes?
Which of the following describes the process of depositing a zinc layer or iron
Which of the following is not essential for rusting to take place
Heavy chemicals can be harmful to humans except if it is in
One of the following is used in making soap
Chemicals used by industries in small quantities but with high purity is
One of the following is not the factor that determines the location of an industry
What is the common name given to petroleum oil
Which process is used to separate out different hydrocarbon compounds from petroleum