Select the one which is not a mixture – (1) Air (2) Gasoline (3) LPG (4) Distilled water

Select the one which is not a mixture – (1) Air (2) Gasoline (3) LPG (4) Distilled water
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(4) Distilled water Explanation: Water (H2O) is the most abundant compound on Earth's surface. Water is a compound because it contains oxygen and hydrogen which are chemically combined in proportion.
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Select the one which is not a mixture : (1) Air (2) Gasoline (3) LPG (4) Distilled water

Description : Select the one which is not a mixture : (1) Air (2) Gasoline (3) LPG (4) Distilled water

Last Answer : Distilled water

Aniline point is a property of the (A) Diesel (B) LPG (C) Naphtha (D) Gasoline

Description : Aniline point is a property of the (A) Diesel (B) LPG (C) Naphtha (D) Gasoline

Last Answer : (C) Naphtha

LPG (Household cooking gas) is mainly a mixture of (a) Methane + Ethane (b) Acetylene + O2 (c) Butane + Isobutane (d) Acetylene + H2

Description : LPG (Household cooking gas) is mainly a mixture of (a) Methane + Ethane (b) Acetylene + O2 (c) Butane + Isobutane (d) Acetylene + H2

Last Answer : Butane + Isobutane

Steam distillation is not recommended to be used, if the (A) Azeotropic mixture is to be separated and the final product is miscible with water (B) Liquids decompose, if distilled directly at atmospheric pressure (C) Material cannot be distilled by indirect heating even under low pressure, because of the high boiling temperature (D) Material to be distilled is thermally unstable or has the tendency to react with other components associated with it, at the boiling temperature

Description : Steam distillation is not recommended to be used, if the (A) Azeotropic mixture is to be separated and the final product is miscible with water (B) Liquids decompose, if ... unstable or has the tendency to react with other components associated with it, at the boiling temperature

Last Answer : (A) Azeotropic mixture is to be separated and the final product is miscible with water

Cones are prepared from Options: 1) Milk Sugar 2) Mixture of Glucose and distilled water 3) Mixture of Cane Sugar and Egg albumin 4) Dextrose

Description : Cones are prepared from Options: 1) Milk Sugar 2) Mixture of Glucose and distilled water 3) Mixture of Cane Sugar and Egg albumin 4) Dextrose

Last Answer : Correct Answer: 3) Mixture of Cane Sugar and Egg albumin

When the mixture to be distilled has a very high boiling point and the product material is heat sensitive, the separation technique to be used is __________ distillation. (A) Continuous (B) Steam (C) Azeotropic (D) None of these

Description : When the mixture to be distilled has a very high boiling point and the product material is heat sensitive, the separation technique to be used is __________ distillation. (A) Continuous (B) Steam (C) Azeotropic (D) None of these

Last Answer : (B) Steam

Gasoline with an octane number of 90 is equivalent in knocking characteristics to a mixture of heptane and isooctane of the following composition : (a) 20% heptane + 80% isooctane (b) 90% heptane + 10% isooctane (c) 80% heptane + 20% isooctane (d) 10% heptane + 90% isooctane

Description : Gasoline with an octane number of 90 is equivalent in knocking characteristics to a mixture of heptane and isooctane of the following composition : (a) 20% heptane + 80% isooctane (b) 90% heptane + 10% isooctane (c) 80% heptane + 20% isooctane (d) 10% heptane + 90% isooctane

Last Answer : 10% heptane + 90% isooctane

Consider the following statements: 1. Detergents do not produce lather with hard water 2. Water gas is a mixture of carbon monoxide and hydrogen 3. Methane is the chief constituent of CNG 4. LPG contains mainly n-butane 5. The correct statements are: (a) 1, 2 and 4 only (b) 1,3 and 4 only (c) 2, 3 and 4 only (d) 1, 2 and 3 only

Description : Consider the following statements: 1. Detergents do not produce lather with hard water 2. Water gas is a mixture of carbon monoxide and hydrogen 3. Methane is the chief constituent of CNG 4. LPG contains mainly n-butane 5. The correct ... (b) 1,3 and 4 only (c) 2, 3 and 4 only (d) 1, 2 and 3 only

Last Answer : Ans:(c)

LPG is a mixture of (a) carbon monoxide and carbon dioxide (b) butane and propane (c) methane and ethylene (d) carbon dioxide and oxygen

Description : LPG is a mixture of (a) carbon monoxide and carbon dioxide (b) butane and propane (c) methane and ethylene (d) carbon dioxide and oxygen

Last Answer : Ans:(b)

LPG is a mixture of?

Description : LPG is a mixture of?

Last Answer : Ethane; Propane and Butane

Liquefied Petroleum Gas (LPG) is mainly a mixture of (A) Propane & butane (B) Methane & ethane (C) High boiling olefins (D) High boiling naphthenes

Description : Liquefied Petroleum Gas (LPG) is mainly a mixture of (A) Propane & butane (B) Methane & ethane (C) High boiling olefins (D) High boiling naphthenes

Last Answer : (A) Propane & butane

'GASOHOL' widely used in Brazil as a motor fuel is a mixture of alcohol and (A) Petrol (B) LPG (C) Light hydrocarbon gases (e.g. butane or propane) (D) None of these

Description : 'GASOHOL' widely used in Brazil as a motor fuel is a mixture of alcohol and (A) Petrol (B) LPG (C) Light hydrocarbon gases (e.g. butane or propane) (D) None of these

Last Answer : (A) Petrol

gas is the mixture mainly consisting of carbon monoxide and hydrogen in specially designed apparatus. a) CNG b) LPG c) Biomass d) None of the above

Description : gas is the mixture mainly consisting of carbon monoxide and hydrogen in specially designed apparatus. a) CNG b) LPG c) Biomass d) None of the above

Last Answer : Biomass

Octane number of gasoline is obtained by comparing the performance of the engine when running on a mixture of the following hydrocarbons A. ethane and methane B. normal heptane and iso-octane C. iso-heptane and octane D. iso-octane and TEL

Description : Octane number of gasoline is obtained by comparing the performance of the engine when running on a mixture of the following hydrocarbons A. ethane and methane B. normal heptane and iso-octane C. iso-heptane and octane D. iso-octane and TEL

Last Answer : ANSWER : B

Gasohol is a mixture of a) 90% ethanol + 10% gasoline b) 10% ethanol + 90% gasoline c) 40% ethanol + 60% gasoline d) 50% ethanol + 50% gasoline

Description : Gasohol is a mixture of a) 90% ethanol + 10% gasoline b) 10% ethanol + 90% gasoline c) 40% ethanol + 60% gasoline d) 50% ethanol + 50% gasoline

Last Answer : Answer: b Explanation: 10% ethanol + 90% gasoline makes gashol.

Consider the following statements: 1. Carbyne is an allotrope of carbon. 2. Gasoline, used as a fuel in motor vehicles is a mixture of petrol and alcohol. 3. Petroleum is also known as 'liquid gold'. 4. The various components of crude oil are separated by fractional distillation. The correct statements are: (a) 1, 2 and 4 only (b) 1, 3 and 4 only (c) 1, 2, 3 and 4 (d) 1, 2 and 3 only

Description : Consider the following statements: 1. Carbyne is an allotrope of carbon. 2. Gasoline, used as a fuel in motor vehicles is a mixture of petrol and alcohol. 3. Petroleum is also known as 'liquid gold'. 4. The various components of crude ... (b) 1, 3 and 4 only (c) 1, 2, 3 and 4 (d) 1, 2 and 3 only

Last Answer : Ans:(b)

Why does conductivity of distilled water increase shortly after exposure to air?

Description : Why does conductivity of distilled water increase shortly after exposure to air?

Last Answer : Water easily absorb carbon dioxide or other gases from the atmosphere.

Iron rusts quickly in – (1) Rain water (2) Sea water (3) Distilled water (4) River water

Description : Iron rusts quickly in – (1) Rain water (2) Sea water (3) Distilled water (4) River water

Last Answer : (2) Sea water Explanation: Water is the enabler of fast oxidation of iron. So freshwater will also cause rust. However, salt water (sea water) is a very good conductor (lots of dissociated ions ... which causes the current to be re-versed and in effect the zinc corrodes rapidly, protecting the iron.

It is advisable to prepare Lassaignes extract in distilled water why?

Description : It is advisable to prepare Lassaignes extract in distilled water why?

Last Answer : Tap water usually contain dissolved chlorine which gives test for halogen.

Iron rusts quickly in (1) Rain water (2) Sea water (3) Distilled water (4) River water

Description : Iron rusts quickly in (1) Rain water (2) Sea water (3) Distilled water (4) River water

Last Answer : Sea water

The purest form of water is (1) tap water (2) rain water (3) ground water (4) distilled water

Description : The purest form of water is (1) tap water (2) rain water (3) ground water (4) distilled water

Last Answer : rain water

0.257g of organic substance was heated with conc. sulphuric acid and then distilled with excess of strong alkali .the ammonia gas evolved was absorbed in 50ml of .1M HCl which required 23.2ml of c for neutralization at the end of the process. Determine the % of nitrogen in the compound ?

Description : 0.257g of organic substance was heated with conc. sulphuric acid and then distilled with excess of strong alkali .the ammonia gas evolved was absorbed in 50ml of .1M HCl which required 23.2ml of c for neutralization at the end of the process. Determine the % of nitrogen in the compound ?

Last Answer : A. Vol of 0 .1M HCl taken = 50ml Vol of .1MNaOH used for neutralization of unused acid=23.2ml Now, 23.2 ml of .1MNaOH =23.2ml of .1MHCl Vol of .1MHCl unused=23.2ml Vol of .1MHCl required ... NH3 solution contain nitrogen = 14*26.8/10*1000 Percentage of Nitrogen=14*26.8*100/10*1000*.257 =14.6%

A liquid with high boiling point decomposes on simple distillation but it can be steam distilled for its purification .Explain how is it possible?

Description : A liquid with high boiling point decomposes on simple distillation but it can be steam distilled for its purification .Explain how is it possible?

Last Answer : In steam distillation boiling occurs when vapour pressure of organic compound & steam becomes equal to atmospheric pressure. As vapour pressure of water is higher than the organic liquid. ... organic liquid vaporizes at a temperature below its boiling point in steam distillation without decomposing.

LPG when brought to atmospheric pressure & temperature will be a (A) Liquid lighter than water (B) Liquid heavier than water (C) Gas lighter than air (D) Gas heavier than air

Description : LPG when brought to atmospheric pressure & temperature will be a (A) Liquid lighter than water (B) Liquid heavier than water (C) Gas lighter than air (D) Gas heavier than air

Last Answer : (D) Gas heavier than air

Burning of LPG in presence of air is a ____ change. -Science-7

Description : Burning of LPG in presence of air is a ____ change. -Science-7

Last Answer : Burning of LPG in presence of air is a Chemical change.

Air/gas ratio for complete combustion will be the highest for (A) LPG (B) Gobar gas (C) Coke oven gas

Description : Air/gas ratio for complete combustion will be the highest for (A) LPG (B) Gobar gas (C) Coke oven gas

Last Answer : (A) LPG

Pick out the wrong statement. (A) High concentration of oxygen in flue gas means high stack loss (B) Gaseous fuels require the least % excess air for complete combustion (C) The ratio of fixed carbon to volatile matter percentage in coal is called its 'fuel ratio' (D) Calorific value of natural gas is more than that of LPG

Description : Pick out the wrong statement. (A) High concentration of oxygen in flue gas means high stack loss (B) Gaseous fuels require the least % excess air for complete combustion (C) The ratio of fixed carbon to ... coal is called its 'fuel ratio' (D) Calorific value of natural gas is more than that of LPG

Last Answer : (D) Calorific value of natural gas is more than that of LPG

Pick out the wrong statement. (A) Main constituents of LPG are propane and butane (B) C.V. of natural gas is about 10000 KCal/Nm3 (C) C.V. of LPG is about 26000 kcal/Nm3 (11500 kcal/kg)(D) L.P.G. is lighter than air

Description : Pick out the wrong statement. (A) Main constituents of LPG are propane and butane (B) C.V. of natural gas is about 10000 KCal/Nm3 (C) C.V. of LPG is about 26000 kcal/Nm3 (11500 kcal/kg) (D) L.P.G. is lighter than air

Last Answer : (D) L.P.G. is lighter than air

What are the recognized systems for pre heating of rails ends for AT Welding? (i) Oxygen –LPG & Compressed air petrol both* (ii) Only Oxygen –LPG (iii) Only Compressed air petrol both (iv) both are correct

Description : What are the recognized systems for pre heating of rails ends for AT Welding? (i) Oxygen –LPG & Compressed air petrol both* (ii) Only Oxygen –LPG (iii) Only Compressed air petrol both (iv) both are correct

Last Answer : ) Oxygen –LPG & Compressed air petrol both*

Minimum air pollution is caused by burning of a) coal b)kerosene c)LPG d)Diesel

Description : Minimum air pollution is caused by burning of a) coal b)kerosene c)LPG d)Diesel

Last Answer : c)LPG

Which of the following is the major constituent of LPG? (1) Methane (2) Ethane (3) Propane (4) Butane

Description : Which of the following is the major constituent of LPG? (1) Methane (2) Ethane (3) Propane (4) Butane

Last Answer : (4) Butane Explanation: Butanes are highly flammable, colourless, easily liquefied gases. When blended with propane and other hydrocarbons, it is referred to commercially as LPG, for liquefied petroleum gas.

The major component in the LPG is - (1) methane (2) butane (3) ethane (4) propane

Description : The major component in the LPG is - (1) methane (2) butane (3) ethane (4) propane

Last Answer : (2) butane Explanation: Butanes are highly flammable, colourless, easily liquefied gases. When blended with propane and other hydrocarbons, it is referred to commercially as LPG, for liquified petroleum gas. It is used as a petrol component.

Which hydrocarbons are the major constituents of 'LPG'? (1) Methane and Ethane (2) Propane and Butane (3) Pentane and Benzene (4) Only Methane

Description : Which hydrocarbons are the major constituents of 'LPG'? (1) Methane and Ethane (2) Propane and Butane (3) Pentane and Benzene (4) Only Methane

Last Answer : (2) Propane and Butane Explanation: Cooking gas, also known as Liquefied Petroleum Gas (LPG) is primarily propane (C3Hg) and butane (C4H10).

What are the main constituent of LPG?

Description : What are the main constituent of LPG?

Last Answer : Ans. Butane and isobutane . Both these isomers can be easily liquified and hence can be conveniently transported in iron cylinder.

Which of the following is the major constituent of LPG? (1) Methane (2) Ethane (3) Propane (4) Butane

Description : Which of the following is the major constituent of LPG? (1) Methane (2) Ethane (3) Propane (4) Butane

Last Answer : Butane

The major component in the LPG is (1) methane (2) butane (3) ethane (4) propane

Description : The major component in the LPG is (1) methane (2) butane (3) ethane (4) propane

Last Answer : butane

Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ? (1) Methane (2) Ethane (3) Propane (4) Butane

Description : Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ? (1) Methane (2) Ethane (3) Propane (4) Butane

Last Answer : Butane

Is it safe to drink distilled water?

Description : Is it safe to drink distilled water?

Last Answer : If you drink it 100% of the time, it can be, long term, bad for you because your metabolism will slow, your urine production may increase, and that may deplete your electrolytes. So, long term, it's ... time to time, and also drink other waters, juices, etc., then there's practically no risk at all.

Is drinking distilled water healthy?

Description : Is drinking distilled water healthy?

Last Answer : answer:I am not an expert in this area but I think you may need to adjust how you view the distilled vs natural water debate. I really don't think distilled water leaches necessary minerals from the ... that could even lead to a shorter life span. My 2 cents encourage you to consult true experts.

Is there a way to de-scale stainless steel that has had regular (not distilled) water?

Description : Is there a way to de-scale stainless steel that has had regular (not distilled) water?

Last Answer : answer:Try some white vinegar mixed with water inside the tank. I have very hard water and lots of calcium deposits in my tea kettle; an occasional white vinegar bath cleans it out.

What happens if distilled water is not added to the battery as per time and requirement ?

Last Answer : Battery capacity decreases and plate can be damaged.

Difference between distilled and normal water?

Description : What makes distilled water different?

Last Answer : Distilled water is pure H2O, without other additives (theoretically), "normal" water (tap, pond, river, sea ...) also contains other organic and inorganic compounds.

Is distilled water drinkable?

Description : Should it be? I'm just asking. I'm not going to drink it. :-)

Last Answer : it is drinkable but not healthy because it drains minerals because it is aggressive, it can dissolve and thus obtain materials from the container in which it is stored (then it is no longer distilled, yes) it is in any case better than organically or chemically contaminated

$ Water potential of distilled water is zero. ! `C_(2)` cycle is also called Kelvin cycle.

Description : $ Water potential of distilled water is zero. ! `C_(2)` cycle is also called Kelvin cycle.

Last Answer : $ Water potential of distilled water is zero. ! `C_(2)` cycle is also called Kelvin cycle. A. If both As ... R is wrong D. If both As and R are wrong.

When ehtyl alcohol is distilled with bleaching powder and water then chloroform is obtained. The no. of moles of bleaching powder needed in the prepar

Description : When ehtyl alcohol is distilled with bleaching powder and water then chloroform is obtained. The no. of moles of bleaching powder needed in the prepar

Last Answer : When ehtyl alcohol is distilled with bleaching powder and water then chloroform is obtained. The no. of moles of bleaching ... is A. 10 B. 5 C. 4 D. 2

Why Does a humidifier need distilled water?

Description : Why Does a humidifier need distilled water?

Last Answer : The distillation process would have removed minerals that wouldotherwise build up and affect the operation of the humidifier.

What happens if the solution in the conical flask gets washed with distilled water during the experiment?

Description : What happens if the solution in the conical flask gets washed with distilled water during the experiment?

Last Answer : That will depend on what the solution is, as well as many otherpossible conditions what you failed to specify in yourquestion.

What happens when amoeba is placed in distilled water?

Description : What happens when amoeba is placed in distilled water?

Last Answer : ik

What is the difference between bottled spring water and distilled water, and which tastes best?

Description : What is the difference between bottled spring water and distilled water, and which tastes best?

Last Answer : The water in my area sometimes tastes odd. What is considered the better choice in terms of pure drinking water? How does bottled spring water compare to distilled water? Whats the difference between the two?

How can I make distilled drinking water at home?

Description : How can I make distilled drinking water at home?

Last Answer : Buy a berkey. look into it, it will change your life.