Question

Check all items common to bases:
minerals
metal
gas
H+
OH-
nitrogen

Answer 1

It'll be just metal and OH-?

Answer 2

metals aren't bases.. some minerals are basic though. I'm actually not too sure on this question..

OH- is obv one though

Answer 3

wait but it's multiple choice o.o

Answer 4

hmm I can't really say i'm positive on this

Answer 5

ehh

Answer 6

technically all of those (except H^+) apply to bases in some way or another

Answer 7

thank you<3

Answer 8

I'm not sure if that is correct at your level.. chemistry teachers lie to you a lot in high school lol