15. 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.

Answer :

Making sugar solution is a physical.

A physical change is generally reversible.

Grinding of wheat grain changes its size. It is a physical.

Iron benches kept in lawns and gardens get rusted It is a chemical

change because a new substance is formed.

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