Chemical Reaction Formative assessment

Last updated over 3 years ago
9 questions
This assessment helps you to evaluate your knowledge, Go and try to do all the questions
1

Release of hydrogen gas from an experiment means that there is a ------------- change

1

Melting ice means that there is a ------------- change

1

Substances that are broken down by the chemical change called

1

Substances created by the chemical change called

1

Release of gas means that there is Physical reaction

1

Change of Color means that there is Chemical reaction

4

Match between the change and the kind of change

Draggable itemCorresponding Item
Cutting of tree
Physical change
Burning a paper
Chemical change
Squeezing lemon juice
Physical change
Formation of Iron rust
Chemical change
4

What is the difference between Physical and Chemical change? Give an example on both?

4

State 4 evidences that means there is a chemical reaction occurs?