Question

Which of the following is soluble in water?

PbSO4

RbNO3

Ca3(PO4)2

Answer 1

@kittiwitti1 @Kevin @kevin99m @raffle_snaffle @shaima

Answer 2

what is your opinion about these ?
the first one i dioxid of cupru what is metal so can being soluble in water ?

Answer 3

Are you asking what is metal? I don't think so.
I don't think metal is soluble in water.

Answer 4

no i ask you than the first one is metal ,bc is metal sure -so can this being soluble in water ?

Answer 5

No, metal is not soluble in water.

Answer 6

ok

so the first one is eliminated how you wrote the above answer

Answer 7

do you know what is the second ?

Answer 8

I think the second one will work.

Answer 9

ok i believe you than you say ,write me what is the name of this substance

Answer 10

Lead(II) sulfate.

Answer 11

ok and what caracter has basic or acidic ?

Answer 12

@shaima this is opposite to OS rules - never dont give directly answers

Answer 13

i didnt.

Answer 14

i just showed him/her a pic?

Answer 15

He meant don't give direct answers.

Answer 16

so the next will be soluble or not ?

Answer 17

It is soluble.

Answer 18

please use this table sent by shaima - there is the right answer - just you need get it there

no the next not is soluble

Answer 19

Ok.

Answer 20

so than the next RbNO3 ?

Answer 21

Oh thats what I meant, when you said "so the next will be soluble or not ?".
I thought you meant RbNO3.
That one ----------^^^^^ is soluble.

Answer 22

yes exactly this is the right answer sure

Answer 23

And what about Ca3(PO4)2 Jhonyy?

Answer 24

than you check it on this table so there write that PO4 not soluble never

Answer 25

I see, thanks!

Answer 26

good luck

bye bye

Answer 27

@NvidiaIntely i think will be usefully for you than you save this table

Answer 28

Okay, thanks again.