Description : The chief constituent of vinegar is – (1) Formic acid (2) Acetic acid (3) Salycylic acid (4) Oxalic acid
Last Answer : (2) Acetic acid Explanation: Vinegar is a liquid substance consisting mainly of acetic acid (CH3CO2H) and water, the acetic acid being produced through the fermentation of ethanol by acetic acid ... easily available mild acid, it had a great variety of industrial, medical, and domestic uses.
Description : The chief constituent of vinegar is (1) Formic acid (2) Acetic acid (3) Salycylic acid (4) Oxalic acid
Last Answer : Acetic acid
Description : Vinegar is the trade name of - (1) acetic acid (2) chloroform (3) carbon tetrachloride (4) ethyl alcohol
Last Answer : (1) acetic acid Explanation: The trivial name acetic acid is the most commonly used and preferred IUPAC name. The systematic name ethanoic acid, a valid IUPAC name, is constructed according to the substitutive nomenclature.
Description : In the United States, Grain alcohol is made: w) from coal x) by fermenting starches y) from methanol z) from vinegar e) by fermenting acetic acid
Last Answer : ANSWER: X -- BY FERMENTING STARCHES
Description : The main constituent of biogas is (1) oxygen (2) methane (3) acetic acid (4) methyl alcohol
Last Answer : methane
Description : In an ordinary chemical plant, electrical installation cost may be about (A) 10-15% of purchased equipment cost (B) 3-10% of fixed capital investment (C) Either (A) or (B) (D) Neither (A) nor (B)
Last Answer : (C) Either (A) or (B)
Description : You must decide between two mutually exclusive projects. Project A has cash flows of - Rs.10,000; Rs.5,000; Rs.5,000; and Rs.5,000; for years 0 through 3, respectively. Project B has cash flows of -Rs ... B's NPV > Project A's NPV. D. Neither A nor B; The NPVs of both projects are negative.
Last Answer : C. B; Project B's NPV > Project A's NPV.
Description : Starting material for the production of SBR is (A) Ethyl alcohol (B) Ethylene (C) Both (A) & (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) & (B)
Description : Starting material for the production of styrene butadiene rubber (SBR) is (A) Ethyl alcohol (B) Ethylene (C) Both (A) & (B) (D) Neither (A) nor (B)
Description : When the stopper is removed from a partly filled bottle containing solid and liquid acetic acid at 16.7 and degC a strong vinegar like odor is noticeable immediately. How many acetic acid phases must?
Last Answer : When the stopper is removed from a partly filled bottlecontaining solid and liquid acetic acid at 16.7 °C, a strongvinegar like odor is noticeable immediately. How many acetic acidphases must be present in the bottle? Explain.
Description : How much stronger (in percentage) is vinegar with 9 acetic acid content in comparison with a vinegar with 5 acetic acid content?
Last Answer : Thank you! I would like to make homemade all purpose cleaner and the recipe calls for a 1 cup of vinegar with 5% acetic acid content mixed with a 1 cup of water. I only have vinegar with 9% acetic acid. Therefore ... can use 1/2 - 3/4 cup of the 9% vinegar + 1 cup water (or any multiple thereof).
Description : Vinegar is acidic in nature due to the presence of (a) vanillic acid (b) lactic acid (c) hydrochloric acid (d) acetic acid
Last Answer : Ans:(d)
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 : Vinegar is _____. (1) diluted acetic acid (2) glacial acetic acid (3) glacial formic acid (4) diluted formic acid
Last Answer : (1) diluted acetic acid Explanation: Vinegar is mostly dilute acetic acid, often produced by fermentation and subsequent oxidation of ethanol. It is roughly 3- 9% acetic acid by volume, making acetic acid the main component of vinegar apart from water.
Description : Chemical name of vinegar is - (1) Acetone (2) Acetic acid (3) Formaldehyde (4) Ethanol
Last Answer : (2) Acetic acid Explanation: Vinegar is roughly 3-9% acetic acid CH3COOH) by volume, making acetic acid the main component of vinegar apart from water. The acetic acid is produced by the fermentation of ethanol by acetic acid bacteria. Vinegar is mainly used as a cooking ingredient, or in pickling.
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 : Which one of the following is found in Vinegar? (1) Acetic acid (2) Propionic acid (3) Formic acid (4) Butyric acid
Last Answer : (1) Acetic acid Explanation: Vinegar is a liquid consisting mainly of acetic acid (CH3COOH) 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 : Acetic acid is know as - (1) Caustic soda (2) Spirit (3) Baking soda (4) Vinegar
Last Answer : (4) Vinegar Explanation: Acetic acid (CH3COOH) also called ethanoic acid, the most important of the carboxylic acids. Vinegar is roughly 3-9% acetic acid by volume making acetic acid the main component of vinegar apart from water.
Description : The aqueous solution of which acids is called Vinegar - (1) Citric acid (2) Hydrochloric acid (3) Acetic acid (4) Oxalic acid
Last Answer : (3) Acetic acid Explanation: Vinegar is an aqueous solution of acetic acid and trace chemicals that may include flavorings. Vinegar typically contains 5–20% acetic acid by volume.
Description : Vinegar made by fermentation from cane sugar contains – (1) palmitic acid (2) lactic acid (3) citric acid (4) acetic acid
Last Answer : (4) acetic acid Explanation: Vinegar is a liquid substance consisting mainly of acetic acid (CH3CO2H) and water, the acetic acid being produced through the fermentation of ethanol by acetic ... are still promoted today. Commercial vinegar is produced either by fast or slow fermentation processes.
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 : Chemical name of vinegar is -------? A. Sodium Nitrate B. Dilute acetic acid (Answer) C. Chloride of lime D. Calcium E. None of these
Last Answer : B. Dilute acetic acid (Answer)
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 : Vinegar is a (a) 5% solution of acetic acid in water (b) 25% solution of acetic acid in water (c) 50% solution of acetic acid in water (d) 40% solution of formic acid in water
Last Answer : 5% solution of acetic acid in water
Description : In the conversion of wine to vinegar (a) Ethanol is oxidized to acetic acid (b) Ethanol is reduced to acetic acid (c) Methanol is oxidized to acetic acid (d) Methanol is reduced to acetic acid
Last Answer : Ethanol is oxidized to acetic acid
Description : Vinegar usually has an acetic acid content of between 4 and ____ percent. a. 6 c. 8 b. 7 d. 9
Last Answer : c. 8
Description : What is the chemical name of vinegar ? (1) Citric acid (2) Acetic acid (3) Pyruvic acid (4) Malic acid
Description : ____ is used for making vinegar. (1) Tartaric acid (2) Malic acid (3) Oxalic acid (4) Acetic acid
Description : Vinegar is __________ . (1) diluted acetic acid (2) glacial acetic acid (3) glacial formic acid (4) diluted formic acid
Last Answer : diluted formic acid
Description : Chemical name of vinegar is (1) Acetone (2) Acetic acid (3) Formaldehyde (4) Ethanol
Description : Which one of the following is found in Vinegar ? (1) Acetic acid (2) Propionic acid (3) Formic acid (4) Butyric acid
Description : ‘Vinegar’ is a commercial name of (1) Oxalic acid (2) Hydrochloric acid (3) Acetic acid (4) Citric acid
Description : Vinegar made by fermentation from cane sugar contains (1) palmitic acid (2) lactic acid (3) citric acid (4) acetic acid
Last Answer : acetic acid
Description : __________ acid is the main constituent of cotton seed oil. (A) Acetic (B) Linoleic (C) Palmitic (D) Oleic
Last Answer : (B) Linoleic
Description : Vinegar is used as a condiment, and in the pickling of vegetables and other foods. What is the constituent of vinegar? (1) Butanoic acid (2) Methanoic acid (3) Ethanoic acid (4) Hexanoic acid
Last Answer : (3) Ethanoic acid Explanation: When ethanol reacts with oxygen it forms a weak acid called ethanoic acid. In an open bottle of beer or wine, the reaction happens naturally in the presence of bacteria, and it is the ethanoic acid that can make beer or wine taste sour.
Description : An alkaline solution is used to reduce the concentration of carbon dioxide in a stream from 10% to 0.1% by absorption with irreversible chemical reaction. The overall number of transfer units based on gas phase is: (A) 9.21 (B) 4.605 (C) 100 (D) 0.001
Last Answer : (B) 4.605
Description : Pick out the wrong statement. (A) The annual depreciation rate for machinery and equipments in a chemical process plant is about 10% of the fixed capital investment (B) Annual depreciation rate ... chemical industry, research and development cost amounts to about 15% of net sales realisation (NSR)
Last Answer : (D) In a chemical industry, research and development cost amounts to about 15% of net sales realisation (NSR)
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 of the following acids is in vinegar? w) benzoic x) formic y) malanoic z) acetic
Last Answer : ANSWER: Z -- ACETIC
Description : The % of ‘K’ in Extracellular fluid is about (A) 1% (B) 2 to 3% (C) 10% (D) 15%
Last Answer : Answer : A
Description : Energy transfer from one traphic level to other in a food chain is (a) 10% (b) 20% (c) 1% (d) 2%
Last Answer : Ans. ((a))
Description : The Percentage of Water used for Drinking in the world is? A. 1% (Answer) B. 10% C. 3% D. 5%
Last Answer : A. 1% (Answer)
Description : Decrease in field strength on top of Mount Everest is A. 10% B. 5% C. 1% D. 0.3%
Last Answer : 0.3%
Description : Suppose an investment of $100 has grown to $110 in one year. What is the return on investment? (A) 0.1% (B) 1.0% (C) 10% (D) none of these
Last Answer : (C) 10%
Description : A well designed transformer loses power under A. 10% B. 1.20% C. 0.1% D. 20%
Last Answer : 0.1%
Description : Energy transfer from one trophic level to other, in a food chain, is (a) 10% (b) 20% (c) 1% (d) 2%
Last Answer : (a) 10%
Description : How much percentage of the body water by weight is in the blood plasma. a. 1% b. 5% c. 10% d. 15%
Last Answer : 5%
Description : What map unit (centimorgan) is adopted in the construction of genetic maps? (a) A unit of distance between genes on chromosomes, representing 50% cross over. (b) A unit of distance between two ... 100% cross over. (d) A unit of distance between genes on chromosomes, representing 1% cross over.
Last Answer : (d) A unit of distance between genes on chromosomes, representing 1% cross over.
Description : Women work two-thirds of the world’s working hours, produce half of the world’s food and yet earn only 10% of the world’s income and own less than 1% of the world’s property. It is a matter of a. Economical. b. Gender. c. Sociological. d. All of the above.
Last Answer : b. Gender.
Description : Arun sold two napkins at same price.He earned 10% profit on one napkin and suffered 10% loss on the other, what was his overall profit/loss percentage? a)No profit no loss b)1% profit c)1% loss d)None of these
Last Answer : c)1% loss