You can create a charged object, but you don't create charge from nothing.
Rub a balloon against your hair and electrons move from one material to the other. The balloon becomes negative; your hair becomes positive. The charges were separated, not created.
The rule is:
Even particle reactions obey it. An electron (−e) and positron (+e) can disappear together, but their total charge was zero before and remains zero afterward.
Charge can move, split between objects, and even disappear with its opposite. But the total charge never loses the ledger.
