Which question best helps decide whether a change is chemical?
Topic: Types of Changes · Skill: Distinguish physical and chemical changes
Assignment Practice
Check readiness for Physical and Chemical Changes
First 4 questions from the learning flow.
Identify physical and chemical changes.
Choose the best answer for each question.
Which question best helps decide whether a change is chemical?
Topic: Types of Changes · Skill: Distinguish physical and chemical changes
Which pair contains only physical changes?
Topic: Physical Changes · Skill: Identify changes in shape, size, state and appearance
Which sign is commonly linked with a chemical change?
Topic: Chemical Changes · Skill: Identify signs of chemical change
Which condition would most reduce rusting of an iron nail?
Topic: Rusting · Skill: Explain rusting of iron and conditions needed
A full chapter assessment covering types of changes, physical changes, chemical evidence, rusting, crystallisation, burning and reasoning.
Distinguish physical and chemical changes, Identify changes in shape, size, state and appearance, Identify signs of chemical change, Explain rusting of iron and conditions needed, Describe crystallisation as a method of obtaining pure crystals