edit: Erp, actually, it seems mobile Chrome doesn't have extension support. I only actually use Chrome on a Chromebook, I assumed Android was comparable.
most of the browsers have built-in adblockers, but I would suggest to stay way from browsers not supporting extensions
other browsers with (limited) extension support on Android - Edge (MS), Yandex (RU), Quetta (CN), Kiwi browser (discontinued, I used this, then switched to IceRaven FF fork, the UI still ain't as good, but at least it's developed)