Créer jeu
Jouer Test
1. 
Ripening of fruit
A.
Fast chemical change
B.
Slow chemical change
2. 
Bursting of crackers.
A.
Fast chemical change
B.
Slow chemical change
3. 
Milk turning into curd.
A.
Fast chemical change
B.
Slow chemical change
4. 
Rusting of an iron article
A.
Fast chemical change
B.
Slow chemical change