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1.which of the following are having minimum pH value: (NH4)2SO4 or NaHCO3 or K2SO4 or NaCl
2.the pH of which of the following samples cannot be found directly using pH paper
3.which one is a suitable method to find the accurate pH value
4.solid sodium bicarbonate was placed on a strip of pH paper the colour of the strip?
Most Upvoted Answer
1.which of the following are having minimum pH value: (NH4)2SO4 or NaH...
Minimum pH value:
- (NH4)2SO4

pH value cannot be found directly using pH paper:
- (NH4)2SO4

Suitable method to find accurate pH value:
- Using a pH meter

Color of pH paper when solid sodium bicarbonate is placed on it:
When solid sodium bicarbonate is placed on a strip of pH paper, the color of the strip may change to indicate the pH level. Sodium bicarbonate is a weak base, so it will cause the pH paper to turn blue or purple, depending on the specific pH range of the paper. This change in color occurs due to the reaction of sodium bicarbonate with water molecules in the paper, leading to the release of hydroxide ions which cause the color change.
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1.which of the following are having minimum pH value: (NH4)2SO4 or NaHCO3 or K2SO4 or NaCl2.the pH of which of the following samples cannot be found directly using pH paper3.which one is a suitable method to find the accurate pH value4.solid sodium bicarbonate was placed on a strip of pH paper the colour of the strip?
Question Description
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