Description : Which of the following acids is present in bee sting? a) Methanoic acid b) Citric acid c) Hydrochloric acid d) Tartaric acid
Last Answer : a) Methanoic acid
Description : Which of the options in the given table are correct? Option | Natural Source | Acid Present (i) Orange | Oxalic acid (ii) Sour milk | Lactic acid (iii) Ant sting | Methanoic acid (iv) Tamarind | Acetic acid (a) (i) and (ii) (b) (i) and (iv) (c) (ii) and (iii) (d) (ii) and (iv)
Last Answer : Answer: (c)
Description : Acid present in Tomato is (A)Lactic acid (B) Tartaric acid (C) Oxalic acid (D) Citric acid
Last Answer : (C) Oxalic acid
Description : Which acid is present in lemon? (1) marlic acid (2) citric acid (3) lactic acid (4) tartaric acid
Last Answer : (2) citric acid Explanation: Citric acid is a weak organic acid with the formula C6H8O7.The juice of the lemon is about 5% to 6% citric acid, which gives a sour taste.
Description : Which acid is present in lemon – (1) malic acid (2) citric acid (3) lactic acid (4) tartaric acid
Last Answer : (2) citric acid Explanation: The main organic acids contained in the flesh of lemons are citric acid and malic acid. The sourness of citrus fruit is the taste of citric acid.
Description : Sour milk contains – (1) acetic acid (2) tartaric acid (3) citric acid (4) lactic acid
Last Answer : (4) lactic acid \ Explanation: Lactic acid, also known as milk acid, is a chemical compound that plays a role in various biochemical processes and was first isolated in 1780 by the Swedish ... kefir, and some cottage cheeses. The casein in fermented milk is coagulated (curdled) by lactic acid.
Description : Sour milk contains (1) acetic acid (2) tartaric acid (3) citric acid (4) lactic acid
Last Answer : lactic 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 : Name the acid present in Ant sting and its chemical formula. (a) Methanoic acid and HCOOH (b) Formic acid and HCOOH (c) Acetic acid and CH3COOH (d) Both a and b
Last Answer : (d) Both a and b
Description : An ant‘s sting can be treated with ............which will neutralise the effect of the chemical injected by the ant‘s sting into our skin. (a). Methanoic acid (b). formic acid (c). Baking soda (d). Caustic soda
Last Answer : (c). Baking soda
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 : Which of the following compounds will be optically active? (a) Succinic acid (b) meso-Tartaric acid (d) Lactic acid (d) Chloroacetic acid
Last Answer : Lactic acid
Description : Which acid is produced when milk gets sour? (1) Tartaric acid (2) Butyric acid (3) Lactic acid (4) Acetic acid
Last Answer : (3) Lactic acid
Description : Curd is sour due to presence of (1) Tartaric acid (2) Lactic acid (3) Acetic acid (4) Oxalic acid
Description : What is baking powder? (a) mixture of baking soda with tartaric acid (b) mixture of washing soda with citric acid (c) mixture of sodium hydrogen carbonate with edible acid (d) option a and c both
Last Answer : (d) option a and c both
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 : The predominant organic acid present in grapes is. a. Tartaric acid b. Malic acid c. Citric acid d. None of these
Last Answer : a. Tartaric acid
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
Last Answer : Acetic acid is present in sour milk
Description : Delinting of cotton seed may be done with — a. Nitric acid b. Citric acid c. Tartaric acid d. Sulphuric acid
Last Answer : d. Sulphuric acid
Description : This natural fiber obtained from the stems of a plant of the nettle family has found popularity in modern fibers with a high wet strength, absorbent but dries quickly, it can be spun or woven, has a high rot ... a source of heat or power? w) Plutonium-238 x) Strontium-90 y) Cesium-137 z) Uranium-235
Last Answer : ANSWER: W -- PLUTONIUM-238
Description : A bee-sting leaves an acid which causes pain and irritation. (1) The injected acid is - (2) acetic acid (3) sulphuric acid (4) citric acid
Last Answer : (4) methanoic acid Explanation: Formic acid (systematically called methanoic acid) is the simplest carboxylic acid. Its formula is CH2O2 or HCOOH.
Description : Sweat contains water and ______. (1) Citric acid (2) Lactic acid (3) Salt (4) Vinegar
Last Answer : (3) Salt Explanation: Sweat contains mainly water. It also contains minerals, lactate, and urea. It also contains a smaller amount of sodium chloride (main component of ordinary table salt).
Description : Milk tastes sour when it is left in open for some time. This happens due to the formation of (1) Lactic acid (2) Citric acid (3) Acetic acid (4) Carbonic acid
Last Answer : (1) Lactic acid Explanation: Milk contains a sugar called lactose, a disaccharide (compound sugar) made by the glycosidic bonding between glucose and glactose (monosaccharides). When milk is heated to ... multiplies. These convert the lactose into lactic acid, which imparts the sour taste to curd.
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 : Milk tastes sour when kept in the open for sometime due to the formation of – (1) lactic acid (2) citric acid (3) acetic acid (4) carbonic acid
Last Answer : (1) lactic acid Explanation: Like many other things, milk contains bacteria, Milk also naturally contains a kind of sugar known as "lactose." The bacteria that live in milk get energy from this ... sugars to reproduce, they change it from "lactose sugar" into "lactic acid," which tastes sour.
Description : Which one of the following is a wrong matching of a microbe and its industrial product, while the remaining three are correct? (a) Yeast – Statins (b) Acetobacter aceti – Acetic acid (c) Clostridium butylicum – Lactic acid (d) Aspergillus niger – Citric acid
Last Answer : (c) Clostridium butylicum – Lactic acid
Description : Abscission in fruit occur due to: a. Excessive abscissic acid b. Excessive Ghrtamic acid c. Excessive Lactic acid d. Excessive Citric acid
Last Answer : Excessive abscissic acid
Description : End product of citric acid cycle/Krebs’ cycle is (a) citric acid (b) lactic acid (c) pyruvic acid (d) CO2 + H2O
Last Answer : (d) CO2 + H2O.
Description : 73. Yeast is used in the production of (1) Cheese and butter (2) Citric acid and lactic acid (3) Lipase and pectinase (4) Bread and beer
Last Answer : Bread and beer
Description : Into which of the following acids is glucose broken down in the first stage of carbohydrate metabolism? Is it: a) pyruvic acid (pie-rue-vick acid) b) lactic acid c) hydrochloric acid d) citric acid
Last Answer : ANSWER: A -- PYRUVIC ACID
Description : Sweat contains water and _______. (1) Citric acid (2) Lactic acid (3) Salt (4) Vinegar
Last Answer : Salt
Description : Which of these acids is not organic in origin? (1) Lactic acid (2) Sulphuric acid (3) Citric acid (4) Oxalic acid
Last Answer : Sulphuric 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 : Milk tastes sour when kept in the open for sometime due to the formation of (1) lactic acid (2) citric acid (3) acetic acid (4) carbonic acid
Description : What is the sources of methanoic acid?
Last Answer : Need answer
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 : Distinguish between : (i) Acetaldehyde and acetone (ii) Methanoic acid and Ethanoic acid.
Last Answer : (i) Acetaldehyde will give positive tests with Tollen’s reagent and Fehling Solns. whereas acetone will not give these test. (ii) Methanoic acid gives Tollen’s reagent test whereas ethanoic acid does not due to difference in their boiling points.
Description : The main source of reducing equivalents (NADPH) for lipogenesis is (A) Pentose phosphate pathway (B) Citric acid cycle (C) Glycolysis (D) Glycogenolysis
Last Answer : Answer : A
Description : How often do you water newly planted spotted dead nettle plants?
Last Answer : Need Answer
Description : where & how to get a stinging nettle plant
Description : What is it to blame?
Last Answer : It is covered with hollow stinging hairs (trichomes), which contain a mixture of histamine, acetylcholine and serotonin. Histamine irritates the skin, acetylcholine induces a burning sensation and serotonin increases the effectiveness of the previous two.
Description : When someone asks, it's healthy or not.
Last Answer : Is there a dialect in what? Nettle is generally healthy, but it is used differently ...
Description : I have a nettle in the garden, but I use it for colds and that's why she wanted to grow it in a pot at home. Do you think it will grow in a block of flats?
Last Answer : Perhaps the crack will grow everywhere. Maybe it would be better for him to grow him on the balcony or outside the window.
Description : Coleus - Painted Nettle (Co'leus)
Last Answer : DESCRIPTION: These delicate plants have colored leaves or beautiful flowers. These plants are natives of Indonesia and Africa. Coleus plants that have ornamental leaves are descended from C. Blumei, which has ... . Beautiful flowers C. thyrsoideus; C. shirensis; C. Fredericii; C. amboinicus.
Description : Is there an all-natural bee sting treatment?
Last Answer : Baking soda and water spread on the bee sting area is a good all-natural bee sting treatment. Ice on the affected area afterwards will assist in bringing down the inflammation.
Description : The substance most commonly used as a food preservative is (a) sodium bicarbonate (b) tartaric acid (c) acetic acid (d) benzoic acid
Last Answer : Ans:(d)
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 : 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 : What are the chemical signals of tartaric acid ?
Last Answer : : Chemical signal of tartaric acid C4H6O6 ( contains tamarind)