The substance most commonly used as a food preservative is (a) sodium bicarbonate (b) tartaric acid (c) acetic acid (d) benzoic acid

1 Answer

Answer :

Ans:(d)

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Description : The substance most commonly used as a food preservative is – (1) sodium carbonate (2) tartaric acid (3) acetic acid (4) sodium salt of benzoic acid

Last Answer : (4) sodium salt of benzoic acid Explanation: A preservative is a naturally occurring or synthetically produced substance that is added to products such as foods, pharmaceuticals, paints, biological ... can be antioxidants such as oxygen absorbers, which inhibit the oxidation of food constituents.

Description : The substance most commonly used as a food preservative is (1) sodium carbonate (2) tartaric acid (3) acetic acid (4) sodium salt of benzoic acid

Last Answer : sodium salt of benzoic acid

Description : The acid that can be used as a hypnotic is (a) tartaric acid (b) benzoic acid (c) barbituric acid (d) acetic acid

Last Answer : Ans:(c)

Description : 6 to 10% solution of acetic acid is used as a preservative for various food items. It is commonly known as?

Last Answer : Vinegar

Description : Which one of the following is used as a food preservative? (1) Sodium benzoate (2) Sodium thiosulphate (3) Sodium hydroxide (4) Sodium bicarbonate

Last Answer : (1) Sodium. benzoate Explanation: Sodium benzoate has the chemical formula. NaC6H5CO2, it is a widely used food preservative, with E number E211. It is the sodium salt of benzoic acid and exists in this form when dissolved in water. It can be produced by reacting sodium hydroxide with benzoic acid.

Description : Which one of the following is used as a food preservative ? (1) Sodium benzoate (2) Sodium thiosulphate (3) Sodium hydroxide (4) Sodium bicarbonate

Last Answer : Sodium benzoate

Description : Benzaldehyde reacts with acetic anhydride in the presence of sodium acetate at 180°C to give : (a) Mandelic acid (b) Cinnamic acid (c) Malonic acid (d) Benzoic acid

Last Answer : Cinnamic acid

Description : The acid which fails to liberate carbon dioxide from sodium bicarbonate is : (1) Acetic acid (2) Formic acid (3) Carbonic acid (4) Sulphuric acid

Last Answer : (4) Sulphuric acid Explanation: Sodium bicarbonate and organic acid (Formic acid, Acetic acid, Carbonic acid, etc) react vigorously to liberate carbon dioxide. For example, Sodium bicarbonate (NaHCO3) when treated with acetic acid reacts vigorously to liberate carbon dioxide.

Description : The acid which fails to liberate carbon dioxide from sodium bicarbonate is : (1) Acetic acid (2) Formic acid (3) Carbonic acid (4) Sulphuric acid

Last Answer : Sulphuric acid

Description : What name is given to a mixture of bicarbonate of soda and tartaric acid used in cooking?

Last Answer : Baking powder

Description : Which of the following acid is also known as vinegar? (a) Dilute hydrochloric acid (b) Dilute sulphuric acid (c) Dilute acetic acid (d) Dilute tartaric acid

Last Answer : (c) Dilute acetic acid

Description : Tomato is a natural source of which acid? a) Acetic acid b) Citric acid c) Tartaric acid d) Oxalic acid

Last Answer : d) Oxalic acid

Description : The acid contained in vinegar is – (1) Acetic acid (2) Ascorbic acid (3) Citric acid (4) Tartaric acid

Last Answer : (1) Acetic acid Explanation: Table vinegar typically contains between 4 and 8 % acetic acid (ethanoic acid).

Description : ______ is used for making vinegar. (1) Tartaric acid (2) Mahe acid (3) Oxalic acid (4) Acetic acid

Last Answer : (4) Acetic acid Explanation: Vinegar is a liquid consisting mainly of acetic acid (CH3COON) and water. The acetic acid is produced by the fermentation of ethanol by acetic acid bacteria. It is mainly used as a cooking ingredient.

Description : Sour milk contains – (1) acetic acid (2) tartaric acid (3) citric acid (4) lactic acid

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Description : Curd is sour due to presence of – (1) Tartaric acid (2) Lactic acid (3) Acetic acid (4) Oxalic acid

Last Answer : (2) Lactic acid Explanation: Curds are a dairy product obtained by curdling (coagulating) milk with rennet or an edible acidic substance such as lemon juice or vinegar, and then draining off the liquid ... solid masses, or curds. The remaining liquid, which contains only whey proteins, is the whey.

Description : ______ is used for making vinegar. (1) Tartaric acid (2) Malic acid (3) Oxalic acid (4) Acetic acid

Last Answer : (4) Acetic acid Explanation: Vinegar is a liquid consisting mainly of acetic acid (CH3COOH) and water.

Description : Check the incorrect statement : (a) Acetic acid is present in sour milk (b) Formic acid is present in insect bites (c) Tartaric acid is present in grapes (d) Citric acid is a tricarboxylic acid

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Last Answer : Acetic acid

Description : Sour milk contains (1) acetic acid (2) tartaric acid (3) citric acid (4) lactic acid 

Last Answer :  lactic acid

Description : Curd is sour due to presence of (1) Tartaric acid (2) Lactic acid (3) Acetic acid (4) Oxalic acid

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Last Answer : (D) Hydrochloric acid (concentrated)

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Last Answer : Trichloroacetic acid

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Last Answer : Benzoic acid

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Description : Substance used Highly as a food preservative

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Last Answer : Baking soda is the answer

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Last Answer : Sodium bicarbonate reacts with salicylic acid to form A. `C_(6)H_(5)O Na` B. C. D.

Description : Sodium bicarbonate reacts with salicylic acid to form

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Last Answer : Answer : A

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Description : As an antacid, sodium bicarbonate has the following disadvantages except: A. It causes acid rebound B. In ulcer patients, it increases risk of perforation C. It has low acid neutralizing capacity D. It is contraindicated in hypertensives

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