Starch iodide paper is used to test for the presence of which agent? -Do You Know?

Starch iodide paper is used to test for the presence of which agent? -Do You Know?
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Starch iodide paper is used to test for the presence of which agent?

Description : Starch iodide paper is used to test for the presence of which agent?

Last Answer : Oxidising agent

1. The oldest monarchy in the world is that of which country? 2. Starch iodide paper is used to test for the presence of which agent? 3. In the case of a ‘test-tube baby’ where does fertilisation take place? 4. The direction of ocean currents is reversed with season in which ocean? 5. By which inscription is the earliest example of a land grant is provided?

Description : 1. The oldest monarchy in the world is that of which country? 2. Starch iodide paper is used to test for the presence of which agent? 3. In the case of a test-tube baby' where does ... 19. Which is the smallest Union Territory? 20. In which year was India was invaded by Timur Lame?

Last Answer : Answer : 1. Japan 2. Oxidising agent 3. Outside the mother's body 4. In the Indian Ocean 5. The Satavahanas 6. 324 7. Khurja 8. 38th Parallel 9. North-West Atlantic 10. Hala 11. ... urbanisation15. Amir Khusrau 16. Prithvi Raj Kapoor 17. According to value 18. Exothermic 19. Lakshadweep 20. 1398

Which of the following gas turn starch iodide paper blue ?

Description : Which of the following gas turn starch iodide paper blue ?

Last Answer : Which of the following gas turn starch iodide paper blue ? A. `CO_(2)` B. `SO_(2)` C. `NO_(2)` D. `H_(2)S`

Which of the following methods are employed for determination of free and combined chlorine residuals in water ? 1. Starch-iodide method 2. Orthotolidine method 3. Amperometric titration method 4. SNORT method 5. DPD method a) 1, 2, 4 and 5 b) 1, 2 and 3 only c) 3, 4 and 5 only d) 2, 3, and 4 only.

Description : Which of the following methods are employed for determination of free and combined chlorine residuals in water ? 1. Starch-iodide method 2. Orthotolidine method 3. Amperometric titration method 4. SNORT method 5. DPD method a) 1, 2, ... b) 1, 2 and 3 only c) 3, 4 and 5 only d) 2, 3, and 4 only.

Last Answer : a) 1, 2, 4 and 5

How would you test the presence of starch in leaves? -Science-7

Description : How would you test the presence of starch in leaves? -Science-7

Last Answer : Experiment to test the presence of starch in leaves: i. Take two healthy green potted plants of the same type. ii. Keep one potted plants in a dark room for one or two days in order to ... react to iodine test;where as the leaf which received sunlight turn into bluish black,as it contain starch.

The reagent used to test the presence of starch in leaves is – (1) Fehling's solution (2) Iodine solution (3) Million's reagent (4) Benedict's solution

Description : The reagent used to test the presence of starch in leaves is – (1) Fehling's solution (2) Iodine solution (3) Million's reagent (4) Benedict's solution

Last Answer : (2) Iodine solution Explanation: The Iodine test is used to test for the presence of starch. Iodine solution — iodine dissolved in an aqueous solution of potassium iodide — reacts with the starch producing a purple black color.

Iodine solution is used to test the presence of – (1) Sugar (2) Proteins (3) Starch (4) Fats

Description : Iodine solution is used to test the presence of – (1) Sugar (2) Proteins (3) Starch (4) Fats

Last Answer : (3) Starch Explanation: Iodine solution is used to test the presence of starch.

Iodine solution is used to test the presence of (1) Sugar (2) Proteins (3) Starch (4) Fats

Description : Iodine solution is used to test the presence of (1) Sugar (2) Proteins (3) Starch (4) Fats

Last Answer : Starch

The reagent used to test the presence of starch in leaves is (1) Fehling’s solution (2) Iodine solution (3) Million’s reagent (4) Benedict’s solution

Description : The reagent used to test the presence of starch in leaves is (1) Fehling’s solution (2) Iodine solution (3) Million’s reagent (4) Benedict’s solution

Last Answer : Iodine solution

Under similar conditions, which of the following i is the best reducing agent under similar conditions? w) fluoride ion x) chloride ion y) bromide ion z) iodide ion

Description : Under similar conditions, which of the following i is the best reducing agent under similar conditions? w) fluoride ion x) chloride ion y) bromide ion z) iodide ion

Last Answer : ANSWER: Z -- IODIDE ION 

Catalytic activity of salivary amylase requires the presence of (A) Chloride ions (B) Bromide ions (C) Iodide ions (D) All of these

Description : Catalytic activity of salivary amylase requires the presence of (A) Chloride ions (B) Bromide ions (C) Iodide ions (D) All of these

Last Answer : A

Which one of the following is the commonly used bulking agent in the formulation of freeze dried low dose drug products? (A) Sodium chloride (B) Mannitol (C) Starch (D) HPMC

Description : Which one of the following is the commonly used bulking agent in the formulation of freeze dried low dose drug products? (A) Sodium chloride (B) Mannitol (C) Starch (D) HPMC

Last Answer : (B) Mannitol

The main role of starch in the recipe of rice pudding is that of a _______. a. Binding agent b. Coating agent c. Leavening agent d. Gelling agent

Description : The main role of starch in the recipe of rice pudding is that of a _______. a. Binding agent b. Coating agent c. Leavening agent d. Gelling agent

Last Answer : d. Gelling agent

For testing the presence of starch in leaves, a boiled leaf is used. Why? -Science-7

Description : For testing the presence of starch in leaves, a boiled leaf is used. Why? -Science-7

Last Answer : When we boil leaf in alcohol, chlorophyll dissolves in warm alcohol. The leaf thus loses its green pigment and becomes colourless. This helps to clearly see any colour change on addition of Iodine.

Why is there no presence of starch in Onion?

Description : Why is there no presence of starch in Onion?

Last Answer : What is the answer ?

The presence of ____ encourages the formation of a gel in cooked and cooled starch mixtures. a. milk c. carbohydrate b. sugar d. amylose

Description : The presence of ____ encourages the formation of a gel in cooked and cooled starch mixtures. a. milk c. carbohydrate b. sugar d. amylose

Last Answer : d. amylose

Each of these are added to a mixture of aqueous solutions of iodide and `CHCl_(3)` separately. Which will give a positive test for iodine when the sol

Description : Each of these are added to a mixture of aqueous solutions of iodide and `CHCl_(3)` separately. Which will give a positive test for iodine when the sol

Last Answer : Each of these are added to a mixture of aqueous solutions of iodide and `CHCl_(3)` separately. ... . NaBr solution C. Chlorine water D. Bromine water

Which of the following cyclotron produced radiopharmaceuticals is used for assessing regional myocardial perfusion as part of an exercise stress test? (a) Thallous chloride 201TI USP (b) Sodium iodide 123I (c) Gallium citrate 67Ga USP (d) Indium 111In pentetate (e) Cobalt 57Co cyanocobalamin

Description : Which of the following cyclotron produced radiopharmaceuticals is used for assessing regional myocardial perfusion as part of an exercise stress test? (a) Thallous chloride 201TI USP (b) Sodium iodide 123I (c) Gallium citrate 67Ga USP (d) Indium 111In pentetate (e) Cobalt 57Co cyanocobalamin

Last Answer : Ans: A

Carbylamine test involves heating a mixture of (a) alcoholic KOH, methyl iodide, and sodium metal (b) alcoholic KOH, methyl iodide, and primary amine (c) alcoholic KOH, chloroform, and primary amine (d) alcoholic KOH, methyl alcohol, and primary amine

Description : Carbylamine test involves heating a mixture of (a) alcoholic KOH, methyl iodide, and sodium metal (b) alcoholic KOH, methyl iodide, and primary amine (c) alcoholic KOH, chloroform, and primary amine (d) alcoholic KOH, methyl alcohol, and primary amine

Last Answer : alcoholic KOH, chloroform, and primary amine

(i) `KI+H_(2)O+O_(3)rarrA+B+O_(2)` (A turns moist starch paper blue, B turns red litmus blue) (ii) A(dry)`+O_(3)rarrX+O_(2)` What is true about X in t

Description : (i) `KI+H_(2)O+O_(3)rarrA+B+O_(2)` (A turns moist starch paper blue, B turns red litmus blue) (ii) A(dry)`+O_(3)rarrX+O_(2)` What is true about X in t

Last Answer : (i) `KI+H_(2)O+O_(3)rarrA+B+O_(2)` (A turns moist starch paper blue, B turns red litmus blue) ... )` D. Average oxidation state of iodine in X is `+5`

Assertion: Reaction of `SO_(2)` and `H_(2)S` in the presence of `Fe_(2)O_(3)` catalyst gives elemental sulphur. Reason: `SO_(2)` is a reducing agent.

Description : Assertion: Reaction of `SO_(2)` and `H_(2)S` in the presence of `Fe_(2)O_(3)` catalyst gives elemental sulphur. Reason: `SO_(2)` is a reducing agent.

Last Answer : Assertion: Reaction of `SO_(2)` and `H_(2)S` in the presence of `Fe_(2)O_(3)` catalyst gives ... is False. D. If both Assertion & Reason are False.

Chlorine acts as a bleaching agent only in the presence of

Description : Chlorine acts as a bleaching agent only in the presence of

Last Answer : Chlorine acts as a bleaching agent only in the presence of A. (A) dry air B. (B) moisture C. (C) sunlight D. (D) pure oxygen

Chlorine acts as a bleaching agent only in the presence of which thing?

Description : Chlorine acts as a bleaching agent only in the presence of which thing?

Last Answer : Moisture

1. Silviculture is the branch of botany what do we study in that? 2. Who was the first Foreign Minister of free India? 3. Chlorine acts as a bleaching agent only in the presence of which thing? 4. Which is the longest Railway Tunnel? 5. Where was the seat of the first Republic of the world in 6th century BC?

Description : 1. Silviculture is the branch of botany what do we study in that? 2. Who was the first Foreign Minister of free India? 3. Chlorine acts as a bleaching agent only in the presence of which thing? 4. ... not have a north south submarine ridge? 20. To whom is the phrase 'The Light of Asia' applied?

Last Answer : Answer : 1. Development of forest 2. Jawaharlal Nehru 3. Moisture 4. Tanna (Japan) 5. Vaishali 6. Sales Tax 7. UNFPA 8. Arthropoda 9. Tasmania 10. Udayin 11. UK 12. Rises 13. Belgrade, ... . Two-third 15. Prayag 16. Industrial Policy of 1948 17. Community 18. Permanency19. Pacific ocean 20. Buddha

Why is alcohol used on a green leaf to test for starch?

Description : Why is alcohol used on a green leaf to test for starch?

Last Answer : Alcohol is used on green leaf to test starch because removal of chlorophyll from leaf is done by boiling of alcohol .

How to test for starch?

Description : How to test for starch?

Last Answer : A chemical test for starch is to add iodine solution (yellow/brown) and look for a colour change.

Iodine test is positive for starch, dextrin and (A) Mucoproteins (B) Agar (C) Glycogen (D) Cellulose

Description : Iodine test is positive for starch, dextrin and (A) Mucoproteins (B) Agar (C) Glycogen (D) Cellulose

Last Answer : C

Which is a strong smelling agent added to LPG cylinder to help in the detection of gas leakage? -Do You Know?

Description : Which is a strong smelling agent added to LPG cylinder to help in the detection of gas leakage? -Do You Know?

Last Answer : answer:

Which predominantly acts as the agent of chemical erosion of soil? -Do You Know?

Description : Which predominantly acts as the agent of chemical erosion of soil? -Do You Know?

Last Answer : answer:

Which predominantly acts as the agent of chemical erosion of soil? -Do You Know?

Description : Which predominantly acts as the agent of chemical erosion of soil? -Do You Know?

Last Answer : answer:

Which predominantly acts as the agent of chemical erosion of soil? -Do You Know?

Description : Which predominantly acts as the agent of chemical erosion of soil? -Do You Know?

Last Answer : answer:

Which predominantly acts as the agent of chemical erosion of soil? -Do You Know?

Description : Which predominantly acts as the agent of chemical erosion of soil? -Do You Know?

Last Answer : answer:

Which predominantly acts as the agent of chemical erosion of soil? -Do You Know?

Description : Which predominantly acts as the agent of chemical erosion of soil? -Do You Know?

Last Answer : answer:

Which predominantly acts as the agent of chemical erosion of soil? -Do You Know?

Description : Which predominantly acts as the agent of chemical erosion of soil? -Do You Know?

Last Answer : answer:

Which gas do not considered as polluting agent of air ? -Do You Know?

Description : Which gas do not considered as polluting agent of air ? -Do You Know?

Last Answer : answer:

What is observed when a solution of potassium iodide solution is added to a solution of lead nitrate? Name the type of reaction. Write a balanced chemical equation to represent the above chemical reaction. -Chemistry

Description : What is observed when a solution of potassium iodide solution is added to a solution of lead nitrate? Name the type of reaction. Write a balanced chemical equation to represent the above chemical reaction. -Chemistry

Last Answer : Answer.Yellow precipitate of lead iodide is formed. It is precipitation reaction. Pb( NO3)2 (aq) + 2KI (aq) —-> Pbl2 (s) + 2KNO3 (aq) It is also called double displacement reaction.

An inorganic iodide (A) on heating gives gases (B) and (C). (B) is neutral towards litmus while (C) is acidic (B) gives back dense white fumes of (A)

Description : An inorganic iodide (A) on heating gives gases (B) and (C). (B) is neutral towards litmus while (C) is acidic (B) gives back dense white fumes of (A)

Last Answer : An inorganic iodide (A) on heating gives gases (B) and (C). (B) is neutral towards litmus while ( ... . is used as a dehydrating agent D. All of these

An inorganic iodide (A) on heating gives gases (B) and (C). (B) is neutral towards litmus while (C) is acidic (B) gives back dense white fumes of (A)

Description : An inorganic iodide (A) on heating gives gases (B) and (C). (B) is neutral towards litmus while (C) is acidic (B) gives back dense white fumes of (A)

Last Answer : An inorganic iodide (A) on heating gives gases (B) and (C). (B) is neutral towards litmus while (C) ... with `BF_(3)` D. It can act as oxidising agent

An inorganic iodide (A) on heating gives gases (B) and (C). (B) is neutral towards litmus while (C) is acidic (B) gives back dense white fumes of (A)

Description : An inorganic iodide (A) on heating gives gases (B) and (C). (B) is neutral towards litmus while (C) is acidic (B) gives back dense white fumes of (A)

Last Answer : An inorganic iodide (A) on heating gives gases (B) and (C). (B) is neutral towards litmus while (C) ... three series of salts D. Both (B) and (C)

An inorganic iodide (A) on heating gives gases (B) and (C). (B) is neutral towards litmus while (C) is acidic (B) gives back dense white fumes of (A)

Description : An inorganic iodide (A) on heating gives gases (B) and (C). (B) is neutral towards litmus while (C) is acidic (B) gives back dense white fumes of (A)

Last Answer : An inorganic iodide (A) on heating gives gases (B) and (C). (B) is neutral towards litmus while ( ... . is used as a dehydrating agent D. All of these

An inorganic iodide (A) on heating gives gases (B) and (C). (B) is neutral towards litmus while (C) is acidic (B) gives back dense white fumes of (A)

Description : An inorganic iodide (A) on heating gives gases (B) and (C). (B) is neutral towards litmus while (C) is acidic (B) gives back dense white fumes of (A)

Last Answer : An inorganic iodide (A) on heating gives gases (B) and (C). (B) is neutral towards litmus while (C) ... with `BF_(3)` D. It can act as oxidising agent

An inorganic iodide (A) on heating gives gases (B) and (C). (B) is neutral towards litmus while (C) is acidic (B) gives back dense white fumes of (A)

Description : An inorganic iodide (A) on heating gives gases (B) and (C). (B) is neutral towards litmus while (C) is acidic (B) gives back dense white fumes of (A)

Last Answer : An inorganic iodide (A) on heating gives gases (B) and (C). (B) is neutral towards litmus while (C) ... three series of salts D. Both (B) and (C)

During the disproportionation of `I_(2)` to iodide and iodate ions, the ratio of iodate and iodide ions formed in alkaline medium is

Description : During the disproportionation of `I_(2)` to iodide and iodate ions, the ratio of iodate and iodide ions formed in alkaline medium is

Last Answer : During the disproportionation of `I_(2)` to iodide and iodate ions, the ratio of iodate and iodide ions formed in alkaline ... `5:1` C. `3:1` D. `1:3`

A 0.2 g sample containing copper (II) was analysed iodometrically, where copper (II) is reduced to copper (I) by iodide ions. `2Cu^(2+) +4I^(-)rarr2 C

Description : A 0.2 g sample containing copper (II) was analysed iodometrically, where copper (II) is reduced to copper (I) by iodide ions. `2Cu^(2+) +4I^(-)rarr2 C

Last Answer : A 0.2 g sample containing copper (II) was analysed iodometrically, where copper (II) is reduced to copper (I) by ... ` B. `63.5%` C. `53%` D. `37%`

Addition of `HI` on the double bond of propene yields isopropyl iodide and not n-propyl iodide as the major product. This is because the addition proc

Description : Addition of `HI` on the double bond of propene yields isopropyl iodide and not n-propyl iodide as the major product. This is because the addition proc

Last Answer : Addition of `HI` on the double bond of propene yields isopropyl iodide and not n-propyl iodide as the ... D. none of the above is a correct statement

Assertion (A): Alkyl aryl ethers on reaction with HI give alkyl iodide phenols Reason (R): Aryl - oxygen bond is weaker than alkyl oxygen bond

Description : Assertion (A): Alkyl aryl ethers on reaction with HI give alkyl iodide phenols Reason (R): Aryl - oxygen bond is weaker than alkyl oxygen bond

Last Answer : Assertion (A): Alkyl aryl ethers on reaction with HI give alkyl iodide phenols Reason (R): Aryl - oxygen ... is false D. A is false but R is true

Which one is formed when sodium phenoxide is heated with ethyl iodide?

Description : Which one is formed when sodium phenoxide is heated with ethyl iodide?

Last Answer : Which one is formed when sodium phenoxide is heated with ethyl iodide? A. Phenetole B. Ethyl phenyl alcohol C. Phenone D. None of these

Which one of the following gases is liberated when ethyl alcohol is heated with methyl magnesium iodide?

Description : Which one of the following gases is liberated when ethyl alcohol is heated with methyl magnesium iodide?

Last Answer : Which one of the following gases is liberated when ethyl alcohol is heated with methyl magnesium ... Methane B. Ethane C. Carbondioxide D. Propane

Which one of the following gases is liberated when ethyl alcohol is heated with methyl magnesium iodide?

Description : Which one of the following gases is liberated when ethyl alcohol is heated with methyl magnesium iodide?

Last Answer : Which one of the following gases is liberated when ethyl alcohol is heated with methyl magnesium ... Methane B. Ethane C. Carbondioxide D. Propane

Is nickel (II) iodide soluble?

Description : Is nickel (II) iodide soluble?

Last Answer : Need answer