Fill in the blanks in the following statements using the words given in the box.
rusted, colourful, substance, chemical, physical, reversible, iron oxide, object
(a) Making sugar solution is a ____ change.
(b) A physical change is generally____.
(c) Grinding of wheat grain changes its size. It is a ____ change.
(d) Iron benches kept in lawns and gardens get____. It is a ____ change because a new ____ is formed.
