What are other examples
of physical change and chemical
change that I found in my home?

Chemical changes=Burning of paper and log of wood.

Digestion of food.

Boiling an egg.

Chemical battery usage.

Electroplating a metal.

Baking a cake.

Milk going sour. Some examples of physical change are freezing of water, melting of wax, boiling of water,

examples of physical change: boiling of water, freezing of water, melting of frozen liquid(ICE).

chemical:burning of match stick

the answer to your question is:

c. complementary base-pairing

sodium i think the chemical element of atomic number 11, a soft silver-white reactive metal of the alkali metal group.