Why does steam cause more severe burns than boiling water?

Why does steam cause more severe burns than boiling water?
by

1 Answer

Answer :

Ans: The amount of heat (latent heat) possessed by steam is much greater than the amount of heat possessed by water at the same temperature. Therefore, steam causes more severe burns than boiling water
by

Related questions

Burns caused by steam are much more severe than those caused by boiling water because

Description : Burns caused by steam are much more severe than those caused by boiling water because

Last Answer : Steam has latent heat

Burns caused by steam are much severe than those caused by boiling water because – (1) Steam pierces through the pores of body quickly (2) Steam has latent heat (3) Steam is gas and engulfs the body quickly (4) Temperature of steam is higher

Description : Burns caused by steam are much severe than those caused by boiling water because – (1) Steam pierces through the pores of body quickly (2) Steam has latent heat (3) Steam is gas and engulfs the body quickly (4) Temperature of steam is higher

Last Answer : (2) Steam has latent heat Explanation: When water changes into steam, it absorbs latent heat, and when steam condenses to form water, it gives out an equal amount of latent heat. Bums caused ... boiling water, simply because steam contains more heat (in the form of latent heat) than boiling water.

Burns caused by steam are much severe than those caused by boiling water because (1) Steam pierces through the pores of body quickly (2) Steam has latent heat (3) Steam is gas and engulfs the body quickly (4) Temperature of steam is higher

Description : Burns caused by steam are much severe than those caused by boiling water because (1) Steam pierces through the pores of body quickly (2) Steam has latent heat (3) Steam is gas and engulfs the body quickly (4) Temperature of steam is higher

Last Answer : Steam has latent heat

Which of the following produces more severe burns? (1) Boiling water (2) Hot water (3) Steam (4) Melting Iceberg

Description : Which of the following produces more severe burns? (1) Boiling water (2) Hot water (3) Steam (4) Melting Iceberg

Last Answer : (3) Steam Explanation: A burn is an injury to the body's tissue resulting from heat, chemicals, electricity or sunlight. Burns are often classified as first degree (those causing damage to the ... deepest and most severe damage destruction of all layers of the skin and damage to tissues underneath.

Which of the following produces more severe burns ? (1) Boiling water (2) Hot water (3) Steam (4) Melting iceberg

Description : Which of the following produces more severe burns ? (1) Boiling water (2) Hot water (3) Steam (4) Melting iceberg

Last Answer : Steam

Why is the boiling point of sea water more than that of pure water?

Description : Why is the boiling point of sea water more than that of pure water?

Last Answer : Ans: Sea water contains salts and other impurities with different points which jointly rise its boiling point.

Why do water pipes burst in severe cold winters?

Description : Why do water pipes burst in severe cold winters?

Last Answer : Ans: Water freezes in pipes during winters, when the temperature goes below 0 degree Celsius (i.e., freezing point of water). It expands and in the process exerts pressure on the water pipes, thereby sometimes bursting them.

Why is it recommended to add salt in water while boiling grams?

Description : Why is it recommended to add salt in water while boiling grams?

Last Answer : Ans: By addition of salt the boiling point of water gets which helps in cooking.

Why do eggs become hard on boiling?

Description : Why do eggs become hard on boiling?

Last Answer : Egg contains 67 per cent proteins (in egg white) and 33 per cent fats and proteins (in egg yolk). Egg white protein is mostly albumin (ovalbumin and Conalbumin) All proteins have ... gets broken. The proteins unfold from their nature folded structure and precipitate forming a white solid mass.

Steam at 100°C causes more severe burns than water at 100° C because – (1) steam has no specific heat capacity (2) steam has latent heat of vaporization (3) water has no specific heat capacity (4) water has latent heat of fusion

Description : Steam at 100°C causes more severe burns than water at 100° C because – (1) steam has no specific heat capacity (2) steam has latent heat of vaporization (3) water has no specific heat capacity (4) water has latent heat of fusion

Last Answer : (2) steam has latent heat of vaporization Explanation: It is because steam releases its latent heat as it condenses, which is substantial. The heat of vaporization of steam is over 2000 J per gram. And when it releases that it's then 100 degree water, the same as boiling water.

Steam at 1000C causes more severe burns than water at 100° C because (1) steam has no specific heat capacity (2) steam has latent heat of vaporisation (3) water has no specific heat capacity (4) water has latent heat of fusion

Description : Steam at 1000C causes more severe burns than water at 100° C because (1) steam has no specific heat capacity (2) steam has latent heat of vaporisation (3) water has no specific heat capacity (4) water has latent heat of fusion

Last Answer :  steam has latent heat of vaporisation

31 Scalding with steam is more severe than scalding by boiling water because A. Steam can penetrate the skin B. Steam is at a higher temperature C. Steam contains more energy than boiling water D. Steam is at a higher pressure

Description : 31 Scalding with steam is more severe than scalding by boiling water because A. Steam can penetrate the skin B. Steam is at a higher temperature C. Steam contains more energy than boiling water D. Steam is at a higher pressure

Last Answer : ANSWER: C

Scalding with steam is more severe than scalding by boiling water because (a) steam can penetrate the skin (b) steam is at a higher temperature (c) steam contains more energy than boiling water (d) steam is at a higher pressure

Description : Scalding with steam is more severe than scalding by boiling water because (a) steam can penetrate the skin (b) steam is at a higher temperature (c) steam contains more energy than boiling water (d) steam is at a higher pressure

Last Answer : Ans:(c)

Rain water is more fertile than water from tube well.

Description : Rain water is more fertile than water from tube well.

Last Answer : Ans: Rain water is more fertile because it contains many salts and nitrogen dissolved from the atmosphere.

Are mosquitoes attracted to some people more than others?

Description : Are mosquitoes attracted to some people more than others?

Last Answer : Yes. Mosquitoes are attracted to the carbon dioxide (CO2) emitted from the breath and pores of humans. In addition to CO2, some species of mosquitoes are attracted to certain fragrances and ... mosquitoes wear unscented products such as hair spray, soap, deodorant, etc. and light colored clothing.

Pasteurized milk has more nourishment than the ordinary boiled milk.

Description : Pasteurized milk has more nourishment than the ordinary boiled milk.

Last Answer : Ans: Pasteurized milk is obtained by heating milk at a temperature of 60 degree Celsius for 30 minutes. In this way the TB bacteria are killed without damaging the milk protein. Thus pasteurized milk has more nourishment than ordinary boiled milk.

Colour blindness is more common in men than women.

Description : Colour blindness is more common in men than women.

Last Answer : Ans: Women have the sex chromosomes XX, while men have the chromosomes XY. The gene for normal colour vision is found on the X-chromosome. If a woman has one Xchromosome with the gene ... colour vision gene. This is less probable mathematically than having just one X-chromosome missing the gene.

It is easier to swim in sea water than in river water. Explain.

Description : It is easier to swim in sea water than in river water. Explain.

Last Answer : Ans: The density of sea water is more than that of the river water. Therefore, the weight of sea water displaced by the swimmer is more. Thus, buoyant force of upthrust on the swimmer increases, making it easier to swim in sea water.

How does a compact fluorescent lamp consume less electricity than conventional fluorescent lamps and bulbs?

Description : How does a compact fluorescent lamp consume less electricity than conventional fluorescent lamps and bulbs?

Last Answer : Fluorescent lamps are based on the phenomenon of gas discharge between two electrodes at the ends of a glass tube. Generally these tubes contain a little mercury in the low-pressure vapour phase. When ... poor efficiency. The three types of lamps may have a typical efficiency ratio of 8:6:3.

Why does a swimming pool appear less deep than it really is?

Description : Why does a swimming pool appear less deep than it really is?

Last Answer : Ans: When rays of light start from the bottom of a pool and travel from water to air, they are refracted away from the normal because they travel from a denser medium to a rarer medium. As a ... image of bottom is formed above the bottom. Hence, a swimming pool appears less deep than it really is.

During lightning it is safest to be inside a car rather than under a tree or in the open. Give reason.

Description : During lightning it is safest to be inside a car rather than under a tree or in the open. Give reason.

Last Answer : Ans: When a person is in the open or under the tree, the lightning passes through his body to the earth. On the other hand, for a person inside a car, the car provider shielding and ... actually passes through the metallic body of the car to the earth without affecting the person sitting inside it.

Why are marine animals able to live at great depths than marine plants?

Description : Why are marine animals able to live at great depths than marine plants?

Last Answer : Ans: As marine animals do not depend upon sunlight for their survival, they are able to live at great depths where there is permanent darkness.

The weight of the object is less at the equator than at the poles.

Description : The weight of the object is less at the equator than at the poles.

Last Answer : Ans: The weight of an object is the product of mass and force of gravity. The equatorial diameter is more than the polar diameter. Thus, the force of gravity is more at the poles and the weight is more there.

Cloudy nights are usually warmer than the clear ones.

Description : Cloudy nights are usually warmer than the clear ones.

Last Answer : Ans: The clouds serve as a barrier and prevent the loss of heat. Thus the warm temperature is maintained.

Lunar eclipse last much longer than solar eclipse.

Description : Lunar eclipse last much longer than solar eclipse.

Last Answer : Ans: Lunar eclipse last longer than the solar eclipse because the length of the earth’s umbral shadow cone is more than three times the average distance between the moon and the earth, so the shadow is relatively wide at the point where the moon crosses it.

Which of the two-glass or rubber is more elastic and why?

Description : Which of the two-glass or rubber is more elastic and why?

Last Answer : Ans: Glass is more elastic than rubber because for a given applied force per unit area, the strain produced in glass is much more than that produced in rubber.

Why does sea water not erode coastal areas in all places?

Description : Why does sea water not erode coastal areas in all places?

Last Answer : The main cause of coastal erosion is the kinetic energy of wind. The main medium of transmission of wind energy is through wind generated water waves. Occasionally waves are also generated by other ... littoral drift (as in Chennai Marina), stopped by the harbour structures jutting into the sea.

What is meant by ozonised mineral water?

Description : What is meant by ozonised mineral water?

Last Answer : Ozone is a blue gas with a relative molar mass of 48 and molecular formula of O {-3}. It converts back into oxygen after its oxidising process. This makes it the most eco-friendly treatment ... control rate of injection. The amount of ozone to diffuse in water depends on the contamination of water.

Since clouds contain tiny water droplets, why are rainbows not permanently present?

Description : Since clouds contain tiny water droplets, why are rainbows not permanently present?

Last Answer : On a rainy day, sunrays, which are polychromatic(with all the seven colours), fall on water droplets at a certain incident angle adn refract with certain other refractive angle because water ... they are numerous and closer against an appropriate viewing angle to allow the cooperative phenomenon.)

Why are fishes not able to survive in distilled water?

Description : Why are fishes not able to survive in distilled water?

Last Answer : Take a fresh grape fruit and keep it in distilled water for an hour. It is stouter than before. Another fresh grape fruit kept in salty water for an hour will appear slim and wrinkled. The grape has ... of being blown out if the fish is to be in distilled water for a very long period of time.

Oil and water do not mix. Why?

Description : Oil and water do not mix. Why?

Last Answer : Ans: i) Molecules of oil are not bigger than that of water and therefore do not mix easily. ii) Molecules of water are polar, i.e. they have opposite charges at two ends whereas oil molecules do not; as a consequence they tend to stay away from water molecule.

A piece of chalk when immersed in water, emits bubbles. Why?

Description : A piece of chalk when immersed in water, emits bubbles. Why?

Last Answer : Ans: Chalk consists of pores forming capillaries. When it is immersed in water, the water begins to rise in the capillaries and air present there is expelled in the form of bubbles.

Why is it easier to spray water to which soap is added?

Description : Why is it easier to spray water to which soap is added?

Last Answer : Ans: Addition of soap decreases the surface tension of water. The energy for spray is directly proportional to surface tension.

It is difficult for firemen to hold a hose, which ejects large amount of water at a high velocity. Why?

Description : It is difficult for firemen to hold a hose, which ejects large amount of water at a high velocity. Why?

Last Answer : Ans: the water which comes out of the fireman's hose carries large momentum as its velocity is very high. The equal and opposite reaction force pushes the fireman backwards with a great speed satisfying ... of conservation of momentum. As a result, it is difficult for the fireman to hold the hose.

Why does an iron needle float on clean water but sink when some detergent is added to this water?

Description : Why does an iron needle float on clean water but sink when some detergent is added to this water?

Last Answer : Ans: Due to surface tension, the free surface of liquid at rest behaves like a stretched membrane. When an iron needle floats on the surface of clean water, its weight is supported by the stretched ... weakened and is not able to support the weight of needle. Hence the needle sinks in such water.

Water boils quicker on mountains.

Description : Water boils quicker on mountains.

Last Answer : Ans: On Mountains the pressure of the air is low due to height, as the air pressure decreases with altitude. In this way, water boils quicker on mountains at temperature less than 100 degree centigrade, which is the boiling point of water at ground level.

Water remains cool in earthen pitcher.

Description : Water remains cool in earthen pitcher.

Last Answer : Ans: This occurs due to the process of evaporation. Water gets cooled on evaporation. As the earthenware pitcher is concerned, they have small pores. Water tends to come out of pores and evaporates which ... Besides metal has tendency to absorb heat that why water does not get cooled in a metal pot.

What causes milk to rise up when we boil it?

Description : What causes milk to rise up when we boil it?

Last Answer : Milk contains 87 per cent water, 4 per cent proteins and 5 per cent lactose (milk sugar). When we boil milk, the fat, sugar, proteins and minerals get separated. Since they are lighter than ... vapour pressure raises the creamy layer. So the milk pushes the creamy layer out and milk spills out.

Why does an egg (with the shell) burst when cooked in a microwave oven?

Description : Why does an egg (with the shell) burst when cooked in a microwave oven?

Last Answer : Microwave radiation is generated in an electronic tube called a magnetron, and passes along what's called a wave-guide into the oven cavity. The microwaves are absorbed by foods - a characteristic that ... encourages even cooking and (if we forget to prick the yolk) helps to confine the explosion.

Why is fuel used in airplanes different from those used in motor vehicles?

Description : Why is fuel used in airplanes different from those used in motor vehicles?

Last Answer : Aviation turbine fuels are used for powering jet and turbo-prop engine aircraft. Kerosene was used to fuel the first turbine engines. Kerosene-type fuel was chosen as having the best ... is only significant demand in very cold climates where its better cold weather performance is important.

How does a rechargeable battery work? What is the life of such batteries and how are they different from ordinary batteries?

Description : How does a rechargeable battery work? What is the life of such batteries and how are they different from ordinary batteries?

Last Answer : Electrochemical cells and batteries are identified generally as primary and secondary batteries. The primary batteries cannot be easily or effectively re-charged electrically and hence are discharged (used ... cycles (one cycle represents one discharge and charge) depending on its design parameters.

What is the peculiar smell of the earth after the first shower?

Description : What is the peculiar smell of the earth after the first shower?

Last Answer : ANSWER I: The characteristic earthy odour of soil is caused by the production of a series of streptomycete metabolites called geosmins. These substances are sesquiterpenoid compounds and unsaturated compound ... ) is the microbial product found in the spores is responsible for the pleasant smell.

How is a ventriloquist able to throw his voice?

Description : How is a ventriloquist able to throw his voice?

Last Answer : ANSWER I : Ventriloquism is the art of projecting or `throwing,' the voice so that is appears to come from a different source. The performer also directs the attention of the audience to the place from where ... of light that hits it, while the ear isn't so sensitive to the direction of a noise.

Does frequent switching on/off of a fluorescent lamp reduce its life?

Description : Does frequent switching on/off of a fluorescent lamp reduce its life?

Last Answer : The life of a fluorescent lamp is essentially determined by life of the cathode filament it uses. A conventional fluorescent lamp employs closely wound coil of tungsten wire as filament. Upon switching on ... of continuous burning can be halved or made still less, just by frequent switching on/off.

How do touch screens work?

Description : How do touch screens work?

Last Answer : Touch screen monitors - where you can use your finger on the computer screen to navigate through the contents - have become more and more commonplace over the past decade, particularly at public information ... allowing a touch with almost any object - except hard and small objects like a pen tip.

How does the solar wind affect Earth?

Description : How does the solar wind affect Earth?

Last Answer : Solar wind contains intense clouds of high energy particles which are produced by solar storms. These clouds of particles affect Earth. These clouds are called coronal mass ejections. They reach the earth ... by the solar wind, especially the storm clouds that the Sun launches our way very often.

Why is the @ symbol used in an email address?

Description : Why is the @ symbol used in an email address?

Last Answer : ANSWER I: The e-mail address generally has two parts, user id and the domain name. The @ (at) symbol is used to separate the user id from the domain name in the e-mail address. The e- ... reached on the Internet by giving the email address (also called the User's Uniform Resource Locator (URL)).

What is Polaroid sunglasses made of?

Description : What is Polaroid sunglasses made of?

Last Answer : ANSWER I: Polaroids are thin and large sheets of crystalline polarising material (made artificially) capable of producing plane polarised beams of large cross section. As early as 1852, it was ... to return to their original shape, resulting in the loss of their light absorbing properties.

Why does rain come in drops and not in a continuous stream?

Description : Why does rain come in drops and not in a continuous stream?

Last Answer : When warm wet air rises, it cools and water vapour condenses to form clouds. A cloud is made of small drops of water or ice crystals, depending on its height and how cold its surrounding air is. ... Giant droplets fall rapidly. Thus drops keep on falling side by side and not in a continuous stream.

Why is the Earth's core hot? What caused it to heat up? Is it still heating, or now cooling?

Description : Why is the Earth's core hot? What caused it to heat up? Is it still heating, or now cooling?

Last Answer : Scientists estimate that temperature at the Earth's core is about 5538{+0}C. Much of the heat inside the Earth today comes from elements that were present when the planet was first formed billions of years ... function of their half-life. Therefore, Earth's core is not heating up, it's cooling down.