A sample of soil is mixed with water and allowed to settle. The clear supernant solution turns the pH paper yellowish orange. What would you add to change thw color of this pH paper to greenish blue?
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Hiii mate
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A weak base turns the pH paper greenish-blue. Antacids usually contain weak base such as Mg(OH)2. So, an antacid would change the colour of this pH paper to greenish-blue. Other options such as lemon juice and vinegar contain acids and common salt is a neutral salt.
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your answer is here
A weak base turns the pH paper greenish-blue. Antacids usually contain weak base such as Mg(OH)2. So, an antacid would change the colour of this pH paper to greenish-blue. Other options such as lemon juice and vinegar contain acids and common salt is a neutral salt.
I hope it is helpful to you
ikram31:
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