Is igniting acetone a physical or chemical change?

1 Answer

Answer :

Combustion is a chemical process.

Related questions

Description : Is igniting acetone a physical or chemical change?

Last Answer : Combustion is a chemical process.

Description : How rejected portion are to be disposed-off? (i) By Igniting 5 Portions at a time in pit away from store?* (ii) By throwing them away (iii) By dispose off in a pit (iv) By using it in Branch/Yard lines for welding

Last Answer : (i) By Igniting 5 Portions at a time in pit away from store?*

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 : Chemical name of vinegar is (1) Acetone (2) Acetic acid (3) Formaldehyde (4) Ethanol

Last Answer : Acetic acid

Description : Some people clean their glass bongs with acetone. How dangerous is that?

Last Answer : Don’t!!!! DO it.

Description : Physically and/or chemically speaking, how did I ruin my CD by attempting to clean it with non-acetone nail polish remover?

Last Answer : What is in your solvent. Did it “frost” the surface?

Description : Is non-acetone nail polish remover any better than the regular nail polish remover?

Last Answer : Non-acetone remover will not damage acrylic nails, and acetone remover will. Acetone tends to dry your nails, so if they are brittle, the non-acetone is better.

Description : Is it safe to use acetone in your car?

Last Answer : If it drips onto your paint, it’s bye bye paint job. Also, I don’t remember exactly, but I think it might tear up hoses and injectors (especially if you have an older car—but doublecheck that fact). You might be better off aero-modding. See aerocivic.com for an example.

Description : Why is there Non-Acetone fingernail polish remover?

Last Answer : Acetone is pretty harsh, back in the nineties I destroyed many of my favorite CDs by picking them up after doing my nails. I still have a tv remote with my fingerprints burned into it thanks to Acetone nail polish remover. It destroys your nails, I won’t touch the stuff anymore.

Description : Can adding acetone to your gas tank actually increase your gas mileage?

Last Answer : answer:I’ve never tried it, nor have I heard of anyone putting acetone in their gas tank…but I checked snopes.com, and they say it’s false. http://www.snopes.com/autos/techno/acetone.asp

Description : 4.A solution of acetone contains 30 ml of acetone in 570 ml of water. Calculate the percentage concentrationof the solute in the solution. -Chemistry

Last Answer : Volume of acetone =30 ml Volume of water =570 ml Volume of solution = 30 + 570 = 600 ml Concentration of solute in solution = 30 / 600 x 100 ... = 30 / 600 x 100 = 5%

Description : What is the name of the effective root of acetone ?

Last Answer : The active molecule of acetone is called carbonyl ( > C = O) .

Description : Why do some brandies have a characteristic acetone smell and taste?

Last Answer : The brandy will smell of acetone if the mash is already acetone, which is included and not enough distillate is produced.

Description : Identify the hydrocarbon which on ozonolysis gives :- (a) Only acetone (b) 1 equivalent of propanal + 1 equivalent of formaldehyde (c ) 1 equivalent o

Last Answer : Identify the hydrocarbon which on ozonolysis gives :- (a) Only acetone (b) 1 equivalent of ... 1 equivalent of acetone + 1 equivalent of acetaldehyde

Description : (X) is the product of cross aldol condensation between benzaldehyde `(C_(6)H_(5)CHO)` and acetone. What is its structure ?

Last Answer : (X) is the product of cross aldol condensation between benzaldehyde `(C_(6)H_(5)CHO)` and acetone. What is its ... )-C=(CH_(3))_(2)` D. None of these

Description : (X) is the product of cross aldol condensation between benzaldehyde `(C_(6)H_(5)CHO)` and acetone. What is its structure ?

Last Answer : (X) is the product of cross aldol condensation between benzaldehyde `(C_(6)H_(5)CHO)` and acetone. What is its ... )-C=(CH_(3))_(2)` D. None of these

Description : Which of the following is an example of nucleophilic addition of acetone?

Last Answer : Which of the following is an example of nucleophilic addition of acetone? A. Ketal formation B ... gas C. Cyanohydrin formation D. Bisulphite additon

Description : KI in acetone, undergoes `S_(N)2` reaction with each of `P,Q ,R` and S The rates of the reaction very as `underset(P)(H_(3)C-Cl)` .

Last Answer : KI in acetone, undergoes `S_(N)2` reaction with each of `P,Q ,R` and S The rates of the reaction very as ` ... R gt Q gt S D. R gt P gt S gt Q

Description : 1-chloromethyl-4-methyl-1, 3-cyclopentadiene is solvolysed in aqueous acetone based on the above solve the following questions. The number of enantiom

Last Answer : 1-chloromethyl-4-methyl-1, 3-cyclopentadiene is solvolysed in aqueous acetone based on the above solve the following ... A. 1 B. 2 C. 3 D. 4

Description : Statement-I: Optically active 2-idoibutane on treatment with `NaI` in acetone undergoes racemisation. Because Statement-II: Repeated Walden inversions

Last Answer : Statement-I: Optically active 2-idoibutane on treatment with `NaI` in acetone undergoes racemisation. ... Statement-1 is false, Statement-2 is true

Description : Can acetone cause cancer?

Last Answer : Need answer

Description : Is acetone an element or a compound or a homogeneous mixture or a heterogeneous mixture?

Last Answer : Need answer

Description : All the following statements correctly describe ketone bodies except (A) They may result from starvation (B) They are present at high levels in uncontrolled diabetes (C) They include—OH β-butyrate and acetone (D) They are utilized by the liver during long term starvation

Last Answer : Answer : D

Description : All the following statements regarding ketone bodies are true except (A) They may result from starvation (B) They are formed in kidneys (C) They include acetoacetic acid and acetone (D) They may be excreted in urine

Last Answer : Answer : B

Description : Lecithins are soluble in ordinary solvents except (A) Benzene (B) Ethyl alcohol (C) Methyl alcohol (D) Acetone

Last Answer : Answer : D

Description : Which of the following can be used as a source of energy in extrahepatic tissues? (A) Acetoacetate (B) Acetone (C) Both (A) and (B) (D) None of these

Last Answer : Answer : A

Description : The reference compound for absolute configuration of optically active compound is (A) Alanine (B) Lactic acid (C) Glyceraldehyde (D) Dihydroxy acetone

Last Answer : Answer : C

Description : Which one of the following metabolites is not directly produced in the hexose monophosphate pathway? (A) Fructose-6-phosphate (B) Dihydroxy acetone phosphate (C) CO2 (D) Erythrose-4-phosphate

Last Answer : Answer : B

Description : Proteins are soluble in (A) Anhydrous acetone(B) Aqueous alcohol (C) Anhydrous alcohol (D) Benzene

Last Answer : Answer : B

Description : In EM pathway -2-phosphoglycerate is converted to (A) Phospho enol pyruvate (B) Enol pyruvate (C) Di hydroxy acetone phosphate (DHAP) (D) 1,3 bisphosphoglycerate

Last Answer : A

Description : The active substance present in 'dettol’ is (a) acetone (b) hydrogen peroxide (c) DDT (d) chloroxylenol

Last Answer : Ans:(d)

Description : Which is not an anasthetic agent in surgical operations? (1) Chloroform (2) Ether (3) Nitrous oxide (4) Acetone

Last Answer : (4) Acetone Explanation: The currently used inhalational anaesthetic agents are mainly: nitrous oxide, isoflurane, sevoflurane and desflurane. Chloroform, ether, ethylene are other anaesthetic agents. However, they are not widely used in clinical practice today.

Description : Nail polish remover contains? (1) benzene (2) acetic acid (3) acetone (4) petroleum ether

Last Answer : (3) Acetone Explanation: Acetone can remove artificial nails made of acrylic or cured gel. A less harsh nail polish remover is ethyl acetate, which often also contains isopropyl alcohol. Ethyl acetate is usually the original solvent for nail polish itself.

Description : Which of the following is present in Nail polish remover? (1) Citric acid (2) Acetone (3) Ethylene (4) Benzene

Last Answer : (2) Acetone Explanation: Acetone can also remove artificial nails made of acrylic or cured gel. An alternative nail polish remover is ethyl acetate, which often also contains isopropyl alcohol.

Description : Nail polish remover contains? (1) Benzene (2) acetic acid (3) acetone (4) petroleum ether

Last Answer : (3) acetone Explanation: Acetone can remove artificial nails made of acrylic or cured gel. A less harsh nail polish remover is ethyl acetate, which often also contains isopropyl alcohol. Ethyl acetate is usually the original solvent for nail polish itself.

Description : Which of the following is an additive used for improving the cetane number of diesel? (A) Tetraethyl lead (B) Tetramethyllead (C) Ethyl nitrate or acetone (D) None of these

Last Answer : (A) Tetraethyl lead

Description : Which of the following is not shipped in mild steel containers? (A) Acetone (B) Ammonia (C) Ethyl alcohol (D) Formic acid

Last Answer : (D) Formic acid

Description : Which of the following mixtures does not form an azeotrope at atmospheric pressure? (A) Water-alcohol (B) Methyl alcohol-acetone (C) Butyl acetate-water (D) None of these

Last Answer : (D) None of these

Description : A minimum boiling azeotrope is exemplified by (A) Toluene-benzene (B) Acetone-carbon disulphide (C) Water-isobutyl alcohol (D) None of these

Last Answer : (B) Acetone-carbon disulphide

Description : Acetone is to be removed from air in an isothermal dilute absorber using pure water as solvent. The incoming air contains 5 mole% of acetone (yin = 0.05). The design equation to be used for obtaining the number of trays ( ... of acetone, the number of trays required is/are: (A) 4 (B) 8 (C) 9 (D) 10

Last Answer : (C) 9

Description : Which of the following binary systems is an example of a maximum boiling azeotrope? (A) Water-hydrochloric acid (B) Acetone-carbon disulphide (C) Water-ethyl alcohol (D) n-heptane-n-octane

Last Answer : (A) Water-hydrochloric acid

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 : Give reason: When a glass test tube containing a mixture of chloroform and acetone is immersed in water will disappear.

Last Answer : The mixture of acetone and chloroform has the same refractive index as that of the glass. The surface of glass will not reflect light. Hence the test tube appears to disappear.

Description : Nail polish remover contains------? A. Acetone (Answer) B. Benzene C. Acetic acid D. Petroleum ether

Last Answer : A. Acetone (Answer)

Description : Which of the following will undergo Aldol condensation? (a) Acetone (b) Benzaldehyde (c) Benzoic acid (c) Benzophenone

Last Answer : Acetone

Description : Which of the reactions between the following pairs of reagents proceeds by a mechanism that may be described as an electrophilic substitution? (a) Benzene + Br2/FeBr3 (b) Propene + Br2 (c) Acetone + NH2NH2 (d) Ethyl bromide + aq KOH

Last Answer : Benzene + Br2/FeBr3

Description : Keto-enol tautomerism is shown by (a) Benzaldehyde (b) Acetone (c) Benzophenone (d) Acetic acid

Last Answer : Acetone

Description : Carbonyl chloride reacts with ammonia to give (a) Urea (b) Acetone (c) Acetamide (d) Chloroform

Last Answer : Urea

Description : Acetamide on reduction with LiAlH4 gives (a) Acetaldehyde (b) Ethylamine (c) Acetone (d) Methylamine

Last Answer : Ethylamine