Why is phenolpthalein used as the indicator for the assay of tartaric acid?

Why is phenolpthalein used as the indicator for the assay of tartaric acid?
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.Which crop is an indicator plant for the bio assay of Triazines and Aliphatics? a). Sugarbeet b). Sorghum c). Cotton d). Mustard

Description : .Which crop is an indicator plant for the bio assay of Triazines and Aliphatics? a). Sugarbeet b). Sorghum c). Cotton d). Mustard

Last Answer : a). Sugarbeet

How can I perform an assay for the amino acid Taurine?

Description : How can I perform an assay for the amino acid Taurine?

Last Answer : You need to provide more info than that. What are you trying to do? Detect taurine levels?

What are the chemical signals of tartaric acid ?

Description : What are the chemical signals of tartaric acid ?

Last Answer : : Chemical signal of tartaric acid C4H6O6 ( contains tamarind)

Tartaric acid `[HO_(2)CCH(OH)CH(OH)CO_(2)H]` was an important compound in history of stereochemistry. Two naturally occuring forms of tartaric acid ar

Description : Tartaric acid `[HO_(2)CCH(OH)CH(OH)CO_(2)H]` was an important compound in history of stereochemistry. Two naturally occuring forms of tartaric acid ar

Last Answer : Tartaric acid `[HO_(2)CCH(OH)CH(OH)CO_(2)H]` was an important compound in history ... . D. Optically inactive due to intramoleuclar hydrogen bonding.

Tartaric acid `[HO_(2)CCH(OH)CH(OH)CO_(2)H]` was an important compound in history of stereochemistry. Two naturally occuring forms of tartaric acid ar

Description : Tartaric acid `[HO_(2)CCH(OH)CH(OH)CO_(2)H]` was an important compound in history of stereochemistry. Two naturally occuring forms of tartaric acid ar

Last Answer : Tartaric acid `[HO_(2)CCH(OH)CH(OH)CO_(2)H]` was an important compound in history of stereochemistry. Two ... form Q is A. B. C. D. none of these

Tartaric acid `[HO_(2)CCH(OH)CH(OH)CO_(2)H]` was an important compound in history of stereochemistry. Two naturally occuring forms of tartaric acid ar

Description : Tartaric acid `[HO_(2)CCH(OH)CH(OH)CO_(2)H]` was an important compound in history of stereochemistry. Two naturally occuring forms of tartaric acid ar

Last Answer : Tartaric acid `[HO_(2)CCH(OH)CH(OH)CO_(2)H]` was an important compound in history ... . D. Optically inactive due to intramoleuclar hydrogen bonding.

Tartaric acid `[HO_(2)CCH(OH)CH(OH)CO_(2)H]` was an important compound in history of stereochemistry. Two naturally occuring forms of tartaric acid ar

Description : Tartaric acid `[HO_(2)CCH(OH)CH(OH)CO_(2)H]` was an important compound in history of stereochemistry. Two naturally occuring forms of tartaric acid ar

Last Answer : Tartaric acid `[HO_(2)CCH(OH)CH(OH)CO_(2)H]` was an important compound in history of stereochemistry. Two ... form Q is A. B. C. D. none of these

Total number of optically active stereoisomers of tartaric acid is

Description : Total number of optically active stereoisomers of tartaric acid is

Last Answer : Total number of optically active stereoisomers of tartaric acid is A. 2 B. 4 C. 3 D. 0

(+) tartaric acid has a specific rotation of +12 unit when measured in 12cm polarimeter tube and 2g/ml concentration at given temperature and light. W

Description : (+) tartaric acid has a specific rotation of +12 unit when measured in 12cm polarimeter tube and 2g/ml concentration at given temperature and light. W

Last Answer : (+) tartaric acid has a specific rotation of +12 unit when measured in 12cm polarimeter tube and 2g/ml concentration ... -6 " unit"` D. `+24 " unit"`

Do grocery stores have tartaric acid?

Description : Do grocery stores have tartaric acid?

Last Answer : What is the answer ?

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

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

Last Answer : Baking powder

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

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)

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

Which acid is present in lemon? (1) marlic acid (2) citric acid (3) lactic acid (4) tartaric 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.

Which acid is present in lemon – (1) malic acid (2) citric acid (3) lactic acid (4) tartaric acid

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.

Which acid is present in lemon – (1) malic acid (2) citric acid (3) lactic acid (4) tartaric acid

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.

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

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

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

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 : (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.

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

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.

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

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.

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

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Last Answer : (d) option a and c both

Acid present in Tomato is (A)Lactic acid (B) Tartaric acid (C) Oxalic acid (D) Citric acid

Description : Acid present in Tomato is (A)Lactic acid (B) Tartaric acid (C) Oxalic acid (D) Citric acid

Last Answer : (C) Oxalic acid

Which of the following acids is present in bee sting? a) Methanoic acid b) Citric acid c) Hydrochloric acid d) Tartaric acid

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

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

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

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Nettle sting is a natural source of which acid? a) Methanoic acid b) Lactic acid c) Citric acid d) Tartaric acid

Description : Nettle sting is a natural source of which acid? a) Methanoic acid b) Lactic acid c) Citric acid d) Tartaric acid

Last Answer : a) Methanoic acid

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

The predominant organic acid present in grapes is. a. Tartaric acid b. Malic acid c. Citric acid d. None of these

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

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

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

Delinting of cotton seed may be done with — a. Nitric acid b. Citric acid c. Tartaric acid d. Sulphuric acid

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

Which of the following compounds will be optically active? (a) Succinic acid (b) meso-Tartaric acid (d) Lactic acid (d) Chloroacetic acid

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

meso-Tartaric acid is (a) sometimes optically active (b) always optically active (c) sometimes optically inactive (d) always optically inactive

Description : meso-Tartaric acid is (a) sometimes optically active (b) always optically active (c) sometimes optically inactive (d) always optically inactive

Last Answer : always optically inactive

Which acid is produced when milk gets sour? (1) Tartaric acid (2) Butyric acid (3) Lactic acid (4) Acetic 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

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

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

Last Answer : Acetic acid

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

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

Last Answer :  lactic acid

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

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

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

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

Last Answer : Lactic acid

What is Assay ?

Description : What is Assay ?

Last Answer : Assay means trying to work hard.

Factor XII assay?

Description : Factor XII assay?

Last Answer : DefinitionThe factor XII assay is a blood test to measure the activity of factor XII -- one of the substances involved in blood clotting.Alternative NamesHageman factor assayHow the test is performedBlood is ... the needle is removed, and the puncture site is covered to stop any bleeding.In infant

Factor VIII assay?

Description : Factor VIII assay?

Last Answer : DefinitionThe factor VIII assay is a blood test that measures the activity of factor VIII -- one of the substances involved in blood clotting (coagulation).Alternative NamesPlasma factor VIII antigenHow the ... blood has been collected, the needle is removed, and the puncture site is covered to st

Factor V assay?

Description : Factor V assay?

Last Answer : DefinitionThe factor V assay is a blood test to measure the activity of factor V -- one of the substances involved in blood clotting (coagulation).How the test is performedBlood is typically drawn from a ... , and the puncture site is covered to stop any bleeding.In infants or young children, a shar

Factor II assay?

Description : Factor II assay?

Last Answer : DefinitionThe factor II assay is a test to measure the activity of factor II -- one of the substances involved in blood clotting (coagulation).Alternative NamesProthrombinHow the test is performedBlood is ... needle is removed, and the puncture site is covered to stop any bleeding.In infants o

Ames assay is a rapid method for detection of (A) Oncoviruses (B) Retroviuses (C) Chemical carcinogens (D) Typhoid

Description : Ames assay is a rapid method for detection of (A) Oncoviruses (B) Retroviuses (C) Chemical carcinogens (D) Typhoid

Last Answer : Answer : C

Deficiency of vitamin B12 can be diagonised by (A) Carr-Price reaction (B) Ames assay (C) Watson-Schwartz test (D) Schilling test

Description : Deficiency of vitamin B12 can be diagonised by (A) Carr-Price reaction (B) Ames assay (C) Watson-Schwartz test (D) Schilling test

Last Answer : Answer : D

In Ames’ assay, liver homogenate is included in the culture medium because (A) It converts pro-carcinogens into carcinogens (B) Liver can metabolise histidine (C) Salmonella mainly infects liver (D) Liver is very susceptible to cancer

Description : In Ames’ assay, liver homogenate is included in the culture medium because (A) It converts pro-carcinogens into carcinogens (B) Liver can metabolise histidine (C) Salmonella mainly infects liver (D) Liver is very susceptible to cancer

Last Answer : Answer : A

In Ames’ assay, addition of a carcinogen to the culture medium allows S. typhimurium to grow (A) In the presence of histidine (B) In the presence of arginine (C) In the absence of histidine (D) In the absence of arginine

Description : In Ames’ assay, addition of a carcinogen to the culture medium allows S. typhimurium to grow (A) In the presence of histidine (B) In the presence of arginine (C) In the absence of histidine (D) In the absence of arginine

Last Answer : Answer : C

The following statement(s) is/are true concerning newer detection methods of systemic infection. a. Enzyme-linked immunosorbent assay (ELISA) is a rapid immunologic assay used for both antigen and antibody detection b. Southern, northern, and western immunoblot techniques are used to detect DNA, RNA, or proteins, respectively c. Polymerase chain reaction (PCR) is a sensitive assay used to detect small amounts of microbial DNA, thus detecting infection at its early stages d. Infectious agents currently detected using advanced molecular techniques include cytomegalovirus (CMV) and human immunodeficiency virus (HIV)

Description : The following statement(s) is/are true concerning newer detection methods of systemic infection. a. Enzyme-linked immunosorbent assay (ELISA) is a rapid immunologic assay used for ... detected using advanced molecular techniques include cytomegalovirus (CMV) and human immunodeficiency virus (HIV)

Last Answer : Answer: a, b, c, d Although the classic detection of infection based on clinical signs of infection and bacterial culture remain the most common clinical tools, increasing ... including CMV and HIV. Furthermore, preliminary investigations into possible detection of fungal pathogens are underway

True statements concerning hypoadrenal shock include which of the following? A. Adrenocortical insufficiency may manifest itself as severe shock refractory to volume and pressor therapy. B. The presence of hyperglycemia and hypotension may suggest the diagnosis of shock due to adrenocortical insufficiency. C. Hydrocortisone does not interfere with the serum cortisol assay and should be given to hemodynamically unstable patients suspected of having hypoadrenal shock. D. The rapid adrenocorticotropic hormone (ACTH) stimulation test should be performed to help establish the diagnosis of acute adrenocortical insufficiency.

Description : True statements concerning hypoadrenal shock include which of the following? A. Adrenocortical insufficiency may manifest itself as severe shock refractory to volume and pressor therapy. B. ... test should be performed to help establish the diagnosis of acute adrenocortical insufficiency.

Last Answer : Answer: AD DISCUSSION: Shock due to acute adrenocortical insufficiency is relatively uncommon but must be considered when shock refractory to volume replacement and pressor therapy is present. ... and it is the corticosteroid of choice while the ACTH stimulation test is being performed

What is radio immuno assay ?

Description : What is radio immuno assay ?

Last Answer : It is a competitive binding assay in which fixed amount of antibody and radiolabelled antigen react in the presence of unlabelled antigen.