Classify the following as physical or chemical change.
Dissolving sugar in water
Part I - Definition
Physical change - A change in which no new substance is formed and only there is change in shape , size and state and color are termed as physical change.
Chemical change - A change in which new substances in form of products are formed is termed as chemical change.
Part II - Classification
When sugar dissolves in water to form a homogenous mixture it is called dissolution.
Dissolving sugar in water is a physical change as there is no change in the composition of solution , only the state has been changed.