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What happened as excess Ba(OH)2 is added?​
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What happened as excess Ba(OH)2 is added?​

User Robins Tharakan
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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
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