Question

"Which of the following list contains an acid, a base and a neutral substance?
(a) LiOH , H2O , CACO3
(b) Ca(OH)2 , NaCl , KNO3
(c) CO2 , NH3 , Na2CO3
(d) MgCl2 , MgO, NO2 "
How would you determine this?

Answer 1

do u know the difference between the acid base and neutral substance

Answer 2

An acid has a low pH and gives away a proton in a reaction. A base receives the proton in a reaction and has a high pH. A neutral substance has a pH of 7 and thats about it..

Answer 3

yaa now think which one gives protons and which one gives -OH groups out of those chemicals

Answer 4

(a) LiOH gives the -OH, and the H20 gives the protons
(b) Ca(OH)2 gives the -OH but which gives the protons?
(c) NH3 can give the protons - can't it??
(d) doesn't give any...

Answer 5

MgO in option d is a base
not sure if NO2 " is an acid or not