Question

13. Arrange the following in the increasing order of pH value A NaOH. B- Blood. C- lemon juice. D milk of magnesia

lemon juice, blood, milk of magnesia, NaOH solution NaOH solution, blood, lemon juice,
milk of magnesia
milk of magnesia, lemon juice
, blood, NaOH solution
NaOH solution, blood, milk of magnesia, lemon juice​

Answer 1

Answer:

The answer tends to be:

Lemon Juice, Blood, Milk of Magnesia and NaOH solution

Explanation:

Here from the given solutions: lemon juice has the least pH value and is an acidic solution so therefore will be casted at the first position

then comes blood having pH value slight more than 7 therefore is categorized as a neutral substance

then after milk of magnesia which has the pH value around 10 and hence is categorized as a mild base

and at last NaOH solution which is the strongest alkali having pH value of 13.

Answer 2

Answer: The correct order is lemon juice , blood, NaOH and milk of magnesium

Explanation: pH helps us to determine the strength of acids and bases. It is basically a scale ranging from 1 to 14.

The range from 1 to 6 for acids and 7 is for the neutral solution  and 8 to 14 is for bases.

If a solution having pH value ranging from 1 to 2 then it is a strong acid similarly if a solution having a pH value ranging from 12 to 14 then it is termed as strong base.

This scale is based on the concentration of hydrogen ion of a solution.

pH = $- log [ H$⁺$]$

Here the pH value of lemon juice is 2 , blood is 7.4 , NaOH is 10, and milk of magnesium is 10.5

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