Question

1. Which one of the following is acidic?
(a) Lemon juice
(b) Tomatoes
(c) Milk
(d) All

2. Which one of the following will turn red litmus blue?
(a) Vinegar
(b) Baking soda solution
(c) Lemon juice
(d) Soft drinks

Answer 1

αnswers:-    

1. Which one of the following is acidic?

(a) Lemon juice

(b) Tomatoes

(c) Milk

(d) All ✔

Answer:-  

• Lemon juice, Tomatoes and Milk all are acidic so option d is the correct answer.

2. Which one of the following will turn red litmus blue?

(a) Vinegar

(b) Baking soda solution ✔

(c) Lemon juice

(d) Soft drinks

Answer:-  

• Option b) Baking soda solution

Answer 2

1.(a)."Lemon" have an Acidic pH.

2.(a)."The Vinegar" should turn the blue litmus paper red.

Explanation:

• Lemon has citric acid so it is acidic in nature, Fresh milk is also a mild acid with pH 6-6.5.
• Because, they contain a high amount of citric acid, Lemons have an acidic pH Lemon has 2 and 3, which means it's 10,000 - 100,000 times more acidic than water.
• Vinegar the liquids turns the litmus paper different colors because one is acid is base and one is neutral. litmus paper is an indicator which can identify whether the substance is an acid or base.
• Vinegar is the diluted from of acetic acid as being acid it will turn blue litmus red.