212k views
5 votes
What happened as excess Ba(OH)2 is added?​

1 Answer

2 votes
The light bulb glows when H2SO4 is initially added. The light bulb dims and eventually goes out as Ba(OH)2 is added. The indicator, however, doesn't change until excess Ba(OH)2 is added, at which point the light begins to glow again.
User Ravindra Mijar
by
3.9k points