Question : Which of the following are food preservatives?
Option 1: Salt, sodium nitrite, spices, and vinegar
Option 2: Gypsum, soda, and methyl alcohol
Option 3: Gypsum, salt and, Formic acid
Option 4: Formic acid, vinegar, and Methyl alcohol
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Correct Answer: Salt, sodium nitrite, spices, and vinegar
Solution : The correct option is Salt, sodium nitrite, spices and vinegar.
Salt is used as a food preservative. It has been used to preserve various foods, notably meats, and fish.
Sodium nitrite is a preservative primarily used to preserve, and colour processed meats such as bacon and hot dogs.
Spices have minor preservation qualities and are frequently used to improve flavour.
Vinegar is an excellent food preservative when used in pickling. Vinegar contains acetic acid, which aids fruits, and vegetables by providing an acidic environment that prevents the growth of spoilage microbes.
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Question : Vinegar is
Option 1: Diluted acetic acid
Option 2: Glacial acetic acid
Option 3: Glacial formic acid
Option 4: Diluted formic acid
Question : Baking soda is ________________.
Option 1: sodium carbonate
Option 2: sodium sulphate
Option 3: sodium hydrogen carbonate
Option 4: sodium hydroxide
Question : Which of the following is not the correct match?
Option 1: The acid present in tomato – Formic acid
Option 2: The acid present in orange – citric acid
Option 3: The acid present in grapes – Tartaric acid
Option 4: The acid present in rancid butter - butyric acid
Question : Which of the following is used in photography?
Option 1: Sodium bicarbonate
Option 2: Sodium thiosulphate
Option 3: Sodium hydroxide
Option 4: Sodium sulphate
Question : The common name of the compound CaOCl2 is ______.
Option 1: bleaching powder
Option 2: washing soda
Option 3: baking soda
Option 4: gypsum
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