Which of the following is an oxidation-reduction reaction?
1)
Cu (s) + 2AgNO3 (aq) → 2Ag (s) + Cu(NO3)2 (aq)

2)
HCl (aq) + NaOH (aq) → H2O (l) + NaCl (aq)

3)
AgNO3 (aq) + HCl (aq) → AgCl (s) + HNO3 (aq)

4)
Ba(C2H3O2)2 (aq) + Na2SO4 (aq) → BaSO4 (s) + 2NaC2H3O2 (aq)

5)
H2CO3 (aq) + Ca(NO3)2 (aq) → 2HNO3 (aq) + CaCO3 (s)

Which one of the following compounds is insoluble in water?
1) Na2CO3
2) K2SO4
3) Fe(NO3)3
4) ZnS
5) AgNO3

Question

Which of the following is an oxidation-reduction reaction?
	1)	
Cu (s) + 2AgNO3 (aq) → 2Ag (s) + Cu(NO3)2 (aq)

	2)	
HCl (aq) + NaOH (aq) → H2O (l) + NaCl (aq)

	3)	
AgNO3 (aq) + HCl (aq) → AgCl (s) + HNO3 (aq)

	4)	
Ba(C2H3O2)2 (aq) + Na2SO4 (aq) → BaSO4 (s) + 2NaC2H3O2 (aq)

	5)	
H2CO3 (aq) + Ca(NO3)2 (aq) → 2HNO3 (aq) + CaCO3 (s)

Which one of the following compounds is insoluble in water?
	1)	Na2CO3
	2)	K2SO4
	3)	Fe(NO3)3
	4)	ZnS
	5)	AgNO3

anonymous · Answer

@zordoloom

anonymous · Answer

Give me a few minutes to research this.

anonymous · Answer

ok pretty sure i got the second question

anonymous · Answer

i googled it differently and got the answer for the first one sorry for wasting your time

anonymous · Answer

What did you get for the second one?

anonymous · Answer

4)	ZnS ?

anonymous · Answer

yes thats what i got