Question

write the colour change of ph paper and nature of the gastric juices, lemon juice, blood, pure water, milk of magnesium, sodium hydroxide.​

Answer 1

Answer:

Gastric juices(about 1.2) and the colour is red.

Lemon juice ( about 2.2) and the colour is light red.

Blood ( about 7.4) and the colour is light green.

Pure water (about 7) and the colour is purple.

Milk of magnesia ( about 10) and the colour is dark green.

Sodium hydroxide (about 14) and the colour is dark purple.

I hope it helps you!

Answer 2

Answer: Gastric juices: Gastric juices are highly acidic, with a pH ranging from 1.5 to 3.5. When tested with pH paper, the paper will turn red or pink, indicating acidity.

Lemon juice: Lemon juice is also highly acidic, with a pH ranging from 2 to 3. When tested with pH paper, the paper will turn red or pink.

Blood: Blood is slightly alkaline, with a pH ranging from 7.35 to 7.45. When tested with pH paper, the paper will turn blue or green, indicating alkalinity.

Pure water: Pure water is neutral, with a pH of 7. When tested with pH paper, the paper will not change color, indicating neutrality.

Milk of Magnesia: Milk of Magnesia is basic, with a pH ranging from 10.5 to 11.5. When tested with pH paper, the paper will turn blue or purple, indicating alkalinity.

Sodium hydroxide: Sodium hydroxide is a strong base, with a pH of 14. When tested with pH paper, the paper will turn deep blue or purple, indicating strong alkalinity.

Explaination:

Milk of magnesia

Milk of Magnesia is a suspension of Magnesium Hydroxide in water, which is commonly used as an antacid and laxative.

To learn more about Milk of magnesia, visit

https://brainly.in/question/6932587

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