разница its it`s

its/it’s
My dad has a new car. It’s dark blue.
We have a dog. Its name is Fluffy.
Where is your train? It’s on the chair.
Where is my present? It’s under the tree.
What time is it? It’s seven o’clock. It’s morning.
Where is your house? It’s in White street.
Is this your cat? What is its name?
This is my new mug. Its colour is blue.