Question

a. Detergent solution is ……………. substance. b. Chemical name of chuna is …………….. c. Phenolphthalein is a ……………. indicator. d. The word acid comes from the Latin word ……. which means ……… e. Spinach contains ……………. acid. f. Sugar is ……………. in nature​

Answer 1

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Common acids used in day to day life: ⇒Acetic acid (CH3COOH), vinegar - vinegar is used in cooking, preserving food and in cleaning. ⇒ Carbonic acid (H2CO3), soft drinks - carbonic acid is used in soft drinks as a preservative. ⇒Sulphuric acid is used in car batteries.

Answer 2

a. Detergent solution is a surfactant substance.

b. Chemical name of chuna is Calcium Oxide.

c. Phenolphthalein is an acid–base indicator.

d. The word acid comes from the Latin word acere which means sour.

e. Spinach contains oxalic acid.

f. Sugar is naturally made in all green plants through the process of photosynthesis in nature​.

Explanation:

• Soaps and detergents are crafted from lengthy molecules, which include the top and tail. These molecules are known as surfactants.
• Detergent molecules additionally help make the cleansing technique greater power with the aid of using lowering the floor anxiety of water.
• The physicochemical homes of Indian fit for human consumption tuna imply that it's miles calcium oxide (dry) or calcium hydroxide (paste / dispersed in water).
• Phenolphthalein, a natural compound of the phthalein's own circle of relatives this is extensively used as an acid-base indicator. As a trademark of the pH fee of a solution, phenolphthalein is colorless underneath pH 8.5 and turns crimson to red above pH 9.0.
• According to Wired, using citric acid in bittersweets reasons a chemical technique to work. "Like all acids, citric acid produces hydrogen ions that set off the acidic flavor receptors withinside the tongue," they said.
• In addition to being nutritious, spinach is likewise recognized to include greater oxalic acid than maximum crops.
• Oxalic acid is a natural acid discovered as a secondary metabolite of diet C in animals, which includes fungi, algae, lichens, better flowers, and humans.
• All inexperienced flowers produce sugar with the aid of using photosynthesis, a herbal technique that converts daylight into energy.
• These encompass glucose and fructose, which are transformed to sucrose with the aid of using the plant. Sucrose, glucose, and fructose are certainly found in all.