In which direction should you move the inoculating loop in the Bunsen burner flame?

In which direction should you move the inoculating loop in the Bunsen burner flame?
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Why should you turn a Bunsen burner to a yellow flame if you need to leave it?

Description : Why should you turn a Bunsen burner to a yellow flame if you need to leave it?

Last Answer : The yellow flame is more visible - making it easier for othersto see. It's also a colder flame than the blue conical one.

Why do cations emit colors when heated in a Bunsen burner flame?

Description : Why do cations emit colors when heated in a Bunsen burner flame?

Last Answer : Atoms were excited by heating, electrons move to a higher energy level and as these electrons fall back to a lower energy level, the specific radiation for the element is emitted.

Bunsen burner is an example of a/an __________ burner. (A) Inside mixing/premix type (B) Outside mixing/diffusion flame/nozzle mix type (C) Rotary cup (D) Submerged combustion

Description : Bunsen burner is an example of a/an __________ burner. (A) Inside mixing/premix type (B) Outside mixing/diffusion flame/nozzle mix type (C) Rotary cup (D) Submerged combustion

Last Answer : (A) Inside mixing/premix type

Who Discovered Bunsen Burner ?

Description : Who Discovered Bunsen Burner ?

Last Answer : Robert Bunsen discovers Bunsen Burner.

What is a Bunsen burner from the North Sea?

Description : What is a Bunsen burner from the North Sea?

Last Answer : The bunsen burner doesn't come from the North Sea. In the UnitedKingdom, the mains gas supply is natural gas which largely comesfrom the wells in the North Sea, so we call it North Sea gas. ... 1970's we used coal gaswhich needed a different admixture of air so all our bunsens had tobe converted.

Why is it safer to close the air holes of the Bunsen burner with unattended?

Description : Why is it safer to close the air holes of the Bunsen burner with unattended?

Last Answer : What is the answer ?

What is a stand and mat used to hold a beaker or flask over a Bunsen burner?

Description : What is a stand and mat used to hold a beaker or flask over a Bunsen burner?

Last Answer : Need answer

What is a Bunsen burner from the North Sea?

Description : What is a Bunsen burner from the North Sea?

Last Answer : The bunsen burner doesn't come from the North Sea. In the UnitedKingdom, the mains gas supply is natural gas which largely comesfrom the wells in the North Sea, so we call it North Sea gas. ... 1970's we used coal gaswhich needed a different admixture of air so all our bunsens had tobe converted.

A colorless salt gives violet colour to Bunsen flame and also turns moisture litmus paper blue. It is :

Description : A colorless salt gives violet colour to Bunsen flame and also turns moisture litmus paper blue. It is :

Last Answer : A colorless salt gives violet colour to Bunsen flame and also turns moisture litmus paper blue. It is : A. `Na_(2) ... C. `NaNO_(3)` D. `K_(2)CO_(3)`

How many of following metals impart a characteristic colour to the Bunsen flame ? `(i) Na " " (ii) Li " " (iii) K " " (iv) Ba` `(v) Sr " " (vi) Mg " "

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In the following diagram bunsen flame the (X ) represent.

Description : In the following diagram bunsen flame the (X ) represent.

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Colour imparted to the Bunsen flame by strontium salt is - (1) bluish green (2) apple-green (3) brick red (4) crimson red

Description : Colour imparted to the Bunsen flame by strontium salt is - (1) bluish green (2) apple-green (3) brick red (4) crimson red

Last Answer : (4) crimson red Explanation: A flame test is performed by introducing a sample into the blue flame of a bunsen burner and noting any change in the colour of the flame. The tests can be used ... metallic elements in salts. With strontium salt, the colour of Bunsen flame ranges from crimson to red.

Colour imparted to the Bunsen flame by strontium salt is (1) bluish green (2) apple-green (3) brick red (4) crimson red

Description : Colour imparted to the Bunsen flame by strontium salt is (1) bluish green (2) apple-green (3) brick red (4) crimson red

Last Answer : crimson red

Give reasons for the following observations: (a) The element carbon forms a very large number of compounds. (b) Air holes of a gas burner have to be adjusted when the heated vessels get blackened by the flame. (c) Use of synthetic detergents causes pollution of water. -Chemistry

Description : Give reasons for the following observations: (a) The element carbon forms a very large number of compounds. (b) Air holes of a gas burner have to be adjusted when the heated vessels get blackened by the flame. (c) Use of synthetic detergents causes pollution of water. -Chemistry

Last Answer : Answer. (a) Carbon forms large number of compounds since carbon is small in size and can form stable covalent bonds (catenation) and it shows tetravalency. (b) Air holes of gas burner are ... not get blackened. (c) Some synthetic detergents are non-biodegradable, therefore, cause pollution of water.

What kind of combustion is observed in alkanes? Why do air holes of a gas burner have to be adjusted when vessel being heated gets blackened by the flame? -Science

Description : What kind of combustion is observed in alkanes? Why do air holes of a gas burner have to be adjusted when vessel being heated gets blackened by the flame? -Science

Last Answer : Alkanes are saturated hydrocarbons and generally burn in air with a blue, non-sooty flame. If the bottoms of the cooking vessels in our homes are getting blackened, it shows that the air holes of the gas stove are getting blocked and the fuel is not burning completely.

What does Perma-Flame Instant Re-Ignition mean on the Dacor SGM304S 30" Preference All-Gas 4 Burner Cooktop ?

Description : What does Perma-Flame Instant Re-Ignition mean on the Dacor SGM304S 30" Preference All-Gas 4 Burner Cooktop ?

Last Answer : If the piolet light blows out it will reignite instantly so you do not need matches.

Which of the following statements represents an application of a silicon controlled rectifier? A. To provide DC power for a main propulsion motor. B. For use as a voltage reference diode. C. For sensing flame in an automated burner. D. To eliminate power supply hum.

Description : Which of the following statements represents an application of a silicon controlled rectifier? A. To provide DC power for a main propulsion motor. B. For use as a voltage reference diode. C. For sensing flame in an automated burner. D. To eliminate power supply hum.

Last Answer : Answer: A

Presence of moisture in fuel oil would (A) Keep the burner tips cool (B) Aid in proper combustion (C) Because sputtering, possibly extinguishing flame (D) Clean the nozzles

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Last Answer : (D) Clean the nozzles

A student focuses the image of a candle flame, placed at about 2 m from a convex lens of focal length 10 cm, on a screen. After that he moves gradually the flame towards the lens and each time focuses its image on the screen. (a) In which direction does he move the lens to focus the flame on the screen? (b) What happens to the size of the image of the flame formed on the screen? (c) What difference is seen in the intensity (brightness) of the image of the flame on the screen? (d) What is seen on the screen when the flame is very close (at about 5 cm) to the lens?

Description : A student focuses the image of a candle flame, placed at about 2 m from a convex lens of focal length 10 cm, on a screen. After that he moves gradually the flame towards the lens and each time focuses its ... d) What is seen on the screen when the flame is very close (at about 5 cm) to the lens?

Last Answer : (a) The student moves the lens away from the screen to focus the image because on moving the candle towards the lens, the image distance increases. (b)The size of the image increases when the object ... on the screen. A virtual image is formed behind the candle on the same side of the screen.

The amount of combustible escaping unconsumed from the furnace, depends upon the (A) Air supplied and furnace temperature (B) Burner design (thoroughness of mixing versus stratification) (C) Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction) (D) All (A), (B) and (C)

Description : The amount of combustible escaping unconsumed from the furnace, depends upon the (A) Air supplied and furnace temperature (B) Burner design (thoroughness of mixing versus stratification) (C) Air preheat and the flow of ... , by acceleration or by change of direction) (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

What is an element that was discovered by Bunsen?

Description : What is an element that was discovered by Bunsen?

Last Answer : R. Bunsen and G. Kirchhoff discovered rubidium and cesium.

1. Consider a circular loop of wire lying in the plane of the table. Let the current pass through the loop clockwise. Apply the right-hand rule to find out the direction of the magnetic field inside and outside the loop. -Physics-10

Description : 1. Consider a circular loop of wire lying in the plane of the table. Let the current pass through the loop clockwise. Apply the right-hand rule to find out the direction of the magnetic field inside and outside the loop. -Physics-10

Last Answer : Solution: For the downward direction of the current, the direction of the magnetic field will be as if emerging from the table outside the loop and merging with the table inside the loop. Similarly, ... the table outside the loop and merging with the table inside the loop, as shown in the figure.

A circular loop which is in the form of a major arc of a constant magnetic field B is applied in the vertical direction such that the magnetic lines o

Description : A circular loop which is in the form of a major arc of a constant magnetic field B is applied in the vertical direction such that the magnetic lines o

Last Answer : A circular loop which is in the form of a major arc of a constant magnetic field B is applied in the ... `2 BIR sin(alpha//2)` D. None of these

______________ Is an algorithm, a loop that continually moves in the direction of increasing value – that is uphill. a) Up-Hill Search b) Hill-Climbing c) Hill algorithm d) Reverse-Down-Hill search

Description : ______________ Is an algorithm, a loop that continually moves in the direction of increasing value – that is uphill. a) Up-Hill Search b) Hill-Climbing c) Hill algorithm d) Reverse-Down-Hill search

Last Answer : b) Hill-Climbing

What is the name of algorithm in which a loop that continually moves in the direction of increasing value – that is uphill A : Up-Hill Search B : Hill-Climbing C : Hill algorithm D : Platue climbing valley

Description : What is the name of algorithm in which a loop that continually moves in the direction of increasing value – that is uphill A : Up-Hill Search B : Hill-Climbing C : Hill algorithm D : Platue climbing valley

Last Answer : B : Hill-Climbing

What is the name of algorithm in which a loop that continually moves in the direction of increasing value – that is uphill A : Up-Hill Search B : Hill-Climbing C : Hill algorithm D : Platue climbing valley

Description : What is the name of algorithm in which a loop that continually moves in the direction of increasing value – that is uphill A : Up-Hill Search B : Hill-Climbing C : Hill algorithm D : Platue climbing valley

Last Answer : B : Hill-Climbing

What is the name of algorithm in which a loop that continually moves in the direction of increasing value – that is uphill A : Up-Hill Search B : Hill-Climbing C : Hill algorithm D : Platue climbing valley

Description : What is the name of algorithm in which a loop that continually moves in the direction of increasing value – that is uphill A : Up-Hill Search B : Hill-Climbing C : Hill algorithm D : Platue climbing valley

Last Answer : B : Hill-Climbing

What is the name of algorithm in which a loop that continually moves in the direction of increasing value – that is uphill A : Up-Hill Search B : Hill-Climbing C : Hill algorithm D : Platue climbing valley

Description : What is the name of algorithm in which a loop that continually moves in the direction of increasing value – that is uphill A : Up-Hill Search B : Hill-Climbing C : Hill algorithm D : Platue climbing valley

Last Answer : B : Hill-Climbing

The torque of a conductor is defined only in the case when a) The field is perpendicular to the loop b) The plane of the loop is parallel to the field c) The plane of the loop is perpendicular to the current direction d) The field and the current direction are same

Description : The torque of a conductor is defined only in the case when a) The field is perpendicular to the loop b) The plane of the loop is parallel to the field c) The plane of the loop is perpendicular to the current direction d) The field and the current direction are same

Last Answer : b) The plane of the loop is parallel to the field

Do you see portable stove/burner hot plate, shown in the detail without having to really search?

Description : Do you see portable stove/burner hot plate, shown in the detail without having to really search?

Last Answer : Duh ? ?

What should one do if a stove top burner stopped working before calling an expert or getting rid of it?

Description : What should one do if a stove top burner stopped working before calling an expert or getting rid of it?

Last Answer : You can buy a replacement burner at a good hardware store. It takes 30 seconds to pop out the old one, and 30 more to pop in a new one. Fixed!

Is it safe to use a stainless steel pot if I boiled water until it was dry and left it on the burner for a while?

Description : Is it safe to use a stainless steel pot if I boiled water until it was dry and left it on the burner for a while?

Last Answer : It should be fine. If your roommate is really that worried, though, put one cup of water and one cup of vinegar into the pot, boil the mixture for about 15 minutes, then wash the pot thoroughly ... quite unnecessary if there isn't any residue, but it will get rid of anything you may have overlooked.

Does Xanthrex Red fat burner work quickly and is it better than the Xanthrex blue?

Description : Does Xanthrex Red fat burner work quickly and is it better than the Xanthrex blue?

Last Answer : that stuff is bullshit.

Have you ever used a external USB CD burner with a net book?

Description : Have you ever used a external USB CD burner with a net book?

Last Answer : answer:I used to have one, but it never got used, ever! They work really well you plug em in, mine was recognised out the box, no software and away you go Only any use these days if you are ... as internals don't pay through the nose for them though, you can get a good Samsung one for £30/$35

What can I do with a pot that I left on the burner with sugar and water boiling for an hour?

Description : What can I do with a pot that I left on the burner with sugar and water boiling for an hour?

Last Answer : Did you try to clean it?

I can't find stove burner covers I like, so I would like to put an image onto black ones - any idea how?

Description : I can't find stove burner covers I like, so I would like to put an image onto black ones - any idea how?

Last Answer : The stove is not being used and these cover the burners and they have a flat top? Peel and Stick printer paper, clean the surface with alcohol and print the image on the paper and peel and stick. at least this is the way I might get it done!

Can I buy an internal DVD burner for my MacBook?

Description : Can I buy an internal DVD burner for my MacBook?

Last Answer : What model macbook is it? If your model supports super drives (the mac DVD burner), then you should be able to bring it in to an apple store and get it replaced. You'll be charged for the labor as ... way that won't void your warranty. If you don't want to pay the extra, just get an external one.

Dvd burner?

Description : Dvd burner?

Last Answer : On a Mac: Apple menu -> About this Mac -> More info This opens System Profiler. Then you can choose Hardware -> Disc Burning and it will tell you. On Windows try this: Click me I’m not sure about checking on Linux.

Is it possible to download a DVD burner to a drive that only came as a cd burner?

Description : Is it possible to download a DVD burner to a drive that only came as a cd burner?

Last Answer : It’s different hardware. Not hapening. DVD burners only cost $25. Just go out and buy one.

CD Burner Problems.

Description : CD Burner Problems.

Last Answer : There should be a little hole in the front of your CD drive that you can fit a straightened paperclip into, pushing this will cause the drive to open so you can at least get your CD out. Do this ... drivers. Is there any more details you can tell us about the drive so we can try to find drivers?

Is it bad to wrap the burner drip-catchers (don't know if they have a special name) on an electric stove with alumimum?

Description : Is it bad to wrap the burner drip-catchers (don't know if they have a special name) on an electric stove with alumimum?

Last Answer : I’ve never heard that. Before we moved to a house with a gas stove (YEAH!), our electric range’s burners were constantly covered in aluminum foil (for ease of cleaning). We never had a problem, but then, we are just one family.

What inexpensive DVD burner do you recommend?

Description : What inexpensive DVD burner do you recommend?

Last Answer : I have this exact burner, and it works great for me, in my older computer. It's quiet, fast, and very inexpensive. If you know how to install new hardware, this burner should be fine. If you don ... just as well. Either one is fine, you just need to check what kind of cables your computer uses.

What's a good dvd burner to get for a 3 year old Dell computer?

Description : What's a good dvd burner to get for a 3 year old Dell computer?

Last Answer : If you get an external, you can use it with other computers.

External DVD burner for MacBook...

Description : External DVD burner for MacBook...

Last Answer : Should work fine. Third-party burners have been supported for a while.

good freeware CD ISO burner?

Description : good freeware CD ISO burner?

Last Answer : On Windows I use http://www.deepburner.com/?r[equal]download or Nero. Nero isn’t free but it is the most robust burning program that I have found.

Is it possible to replace a stove burner with a different size?

Description : Is it possible to replace a stove burner with a different size?

Last Answer : This is the GE Repair Clinic contact information and toll-free number. I think if you called them they could probably answer your question. If it is possible, they also sell GE parts.

Does the macbook comes with a cd-dvd burner?

Description : Does the macbook comes with a cd-dvd burner?

Last Answer : answer:the baseline macbook has a cd burner but any of the other model (high end white macbook, or the blackbook) have cd/dvd burners for reference the cd burner is called the combodrive, and the cd/dvd burner is the superdrive

Does HD video camera + Regular DVD burner + HDTV [equal] Bad picture?

Description : Does HD video camera + Regular DVD burner + HDTV [equal] Bad picture?

Last Answer : answer:Yes, the Video DVD format will down-res your HD signal to standard definition (roughly 640×480). If you want HD video, look into a Blu-Ray burner or the AppleTV (networkable hard-drive-based media center with built-in software for navigation and remote control). And welcome to Ask-public.

Who Discovered Burner ?

Last Answer : Berner discovers (Robert Bunsen)