Question

Which of the following is not an example of change?

• A. Rusting of iron
• B. Burning of wood
• C. Standing house
• D. Ripening of fruits

Answer 1

The correct option is C

Standing house

The explanation for the correct option:

Option C

• A change is taking place when a new substance is formed.
• It may be a chemical or physical change.
• Standing house is static in one place and can not form a new substance.

Therefore option C is the correct option.

The explanation for the incorrect options:

Option A

• Rusting of iron is a slow change as well as a chemical change.
• The formation of rust on the iron surface takes a long time.
• Oxide layer forms on the iron surface which deteriorate the metal surface due to the formation of new substance over there in the form of rust.
• This is a chemical change.

Therefore option C is an incorrect option.

Option B

• The burning of wood is a chemical change.
• Wood changes chemically to carbon dioxide when it burns and leaves a residue of ashes.

Therefore option B is an incorrect option.

Option D

• Ripening of fruits is a chemical change.
• This change can not be reversed.
• Due to the ripening, the colour, texture, and taste of the fruit are changed.

Therefore option D is an incorrect option.