What type of conditional sentence is the following: If I study hard, I will pass the exam?

What type of conditional sentence is the following: If he had studied harder, he would have passed the exam?

What type of conditional sentence is the following: If I had studied harder, I would have passed the exam?

What type of conditional sentence is the following: If I won the lottery, I would travel the world?

What type of conditional sentence is the following: If it rains, I will stay at home?

What type of conditional sentence is the following: If I had enough money, I would buy a car?

What type of conditional sentence is the following: If we hadn't missed our flight, we would be in Paris right now?

What type of conditional sentence is the following: If I see him, I will tell him?

What type of conditional sentence is the following: If I had known, I would have helped?

What type of conditional sentence is the following: If you heat water, it boils?