Yes, 1 Bitcoin can be split. This is because each Bitcoin is divisible down to 8 decimal places, meaning that each Bitcoin can be split into 100,000,000 smaller units.
This makes it possible to divide a Bitcoin up into very small pieces, which can be useful for things like micro-transactions or for people who want to hold a small amount of Bitcoin without having to worry about the price fluctuating too much.
One thing to keep in mind is that if you do split up your Bitcoin, you will need to have a way to store and manage all of the smaller pieces. This can be done by using a Bitcoin wallet that supports multiple addresses, or by using a service like CoinJoin that allows you to mix your coins with other people’s coins so that it is more difficult to track where they came from.
In conclusion, yes 1 Bitcoin can be split and there are various reasons why someone might want to do this. However, it is important to keep in mind that if you do split up your Bitcoin, you will need to take extra care in managing and storing the smaller pieces.