A sample soil is mixed with water and allowed to settle.The clear supernatant solution turns the pH paper yellowish orange. Which of the following would change the colour of this pH paper to greenish blue?
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Answered by
0
Answer:
Bases like NaOH
Explanation:
Bases turn pH paper greenish blue
Answered by
1
Answer:
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.
Explanation:
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