When a bottle of perfume is opened in one corner of a room the smell spreads soon throughout the room. This is an example of - (1) surface tension (2) capillarit (3) viscosity (4) diffusion

When a bottle of perfume is opened in one corner of a room the smell spreads soon throughout the room. This is an example of - (1) surface tension (2) capillarit (3) viscosity (4) diffusion
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(1) surface tension Explanation: Diffusion is the spreading – mixing of gases through molecular motion.
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When a perfume bottle is opened, some liquid changes to gas and the fragrance spreads around the room. Which sentence explains this?

Description : When a perfume bottle is opened, some liquid changes to gas and the fragrance spreads around the room. Which sentence explains this?

Last Answer : gases do not have definite volume

When a perfume bottle is opened some liquid changes to gas and the fragrance spreads around the room. Which sentence explains this?

Description : When a perfume bottle is opened some liquid changes to gas and the fragrance spreads around the room. Which sentence explains this?

Last Answer : gases do not have definite volume

When a bottle of scent is kept open in a corner of a room its odour is felt in all parts of the room. This is clue to the phenomenon of – (1) evaporation (2) vaporisation (3) diffusion (4) sublimation

Description : When a bottle of scent is kept open in a corner of a room its odour is felt in all parts of the room. This is clue to the phenomenon of – (1) evaporation (2) vaporisation (3) diffusion (4) sublimation

Last Answer : (3) diffusion Explanation: Diffusion is one of several transport phenomena that occur in nature. A distinguishing feature of diffusion is that it results in mixing or mass transport without requiring ... are other transport mechanisms that use bulk motion to move particles from One place to another.

When a bottle of scent is kept open in a corner of a room its odour is felt in all parts of the room. This is due to the phenomenon of : (1) evaporation (2) vaporisation (3) diffusion (4) sublimation

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Last Answer : diffusion

Why fragrance of perfume spread in all the room when it is opened in one corner of the room? Write name of this phenomena.

Description : Why fragrance of perfume spread in all the room when it is opened in one corner of the room? Write name of this phenomena.

Last Answer : This is because the molecules of the perfume are in higher concentration where it is opened, so it begins to move towards the area where their concentration is lower. This phenomenon is called diffusion.

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Description : A small drop of oil spreads over water because : (1) oil has a higher surface tension (2) water has a higher surface tension (3) oil has a higher viscosity (4) water has a higher viscosity

Last Answer : (2) water has a higher surface tension Explanation: Dispersion is used to separate a beam of white light into its constituent spectrum of colours. This phenomenon leads to rainbow.

A small drop of oil spreads over water because : (1) oil has a higher surface tension (2) water has a higher surface tension (3) oil has a higher viscosity (4) water has a higher viscosity

Description : A small drop of oil spreads over water because : (1) oil has a higher surface tension (2) water has a higher surface tension (3) oil has a higher viscosity (4) water has a higher viscosity

Last Answer : water has a higher surface tension

Pieces of camphor placed on water move about rapidly. This is because of - (1) diffusion (2) viscosity (3) surface tension (4) capillarity

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Last Answer : (3) surface tension Explanation: The Camphor slowly dissolves in the water lowering the latter's surface tension in the immediate neighbourhood. When after sometime the whole surface settles for the reduced tension, the movement of the camphor too short.

Pieces of camphor placed on water move about rapidly. This is because of - (1) diffusion (2) viscosity (3) surface tension (4) capillarity

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Last Answer : b) imbibition

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Oil rises up the wick in a lamp because (1) Oil is very light (2) Of the diffusion of oil through the wick (3) Of the surface tension phenomenon (4) Of the capillary action phenomenon

Description : Oil rises up the wick in a lamp because (1) Oil is very light (2) Of the diffusion of oil through the wick (3) Of the surface tension phenomenon (4) Of the capillary action phenomenon

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Last Answer : Of the capillary action phenomenon

A liquid disturbed by stirring comes to rest due to – (1) density (2) surface tension (3) viscosity (4) centripetal force

Description : A liquid disturbed by stirring comes to rest due to – (1) density (2) surface tension (3) viscosity (4) centripetal force

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Description : Ball pen functions on the principle of : (1) Viscosity (2) Boyle's Law (3) Gravitational force (4) Surface tension

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Description : Water drops are spherical because of - (1) viscosity (2) density (3) polarity (4) surface tension

Last Answer : (4) surface tension Explanation: Surface tension is responsible for the shape of liquid droplets. Although easily deformed, droplets of water tend to be pulled into a spherical shape by ... absence of other forces, including gravity, drops of virtually all liquids would be approximately spherical.

Rise of oil a wick is due to – (1) density of the oil (2) viscosity of the oil (3) surface tension of the oil (4) pressure of the oil

Description : Rise of oil a wick is due to – (1) density of the oil (2) viscosity of the oil (3) surface tension of the oil (4) pressure of the oil

Last Answer : (3) surface tension of the oil Explanation: The phenomenon of rise or fall of liquid in a capillary tube is called capillarity. Oil rises through a wick due to capillarity. The narrow ... tiny capillaries, through which oil rises. Capillary action is the result of adhesion and surface tension.

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Description : Which of the following is a result of Surface tension? (1) Gravitational pull (2) Viscosity (3) Capillary action (4) Radiation

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Small bubbles are perfectly spherical because of – (1) Gravity (2) Pressure (3) Viscosity (4) Surface tension

Description : Small bubbles are perfectly spherical because of – (1) Gravity (2) Pressure (3) Viscosity (4) Surface tension

Last Answer : (4) Surface tension Explanation: Surface tension is responsible for the shape of liquid droplets. Although easily deformed, droplets of water tend to be pulled into a spherical shape by the cohesive ... shape minimizes the necessary "wall tension" of the surface layer according to Laplace's law.

Materials for rain proof coats and tents owe their water proof properties to – (1) Surface tension (2) Viscosity (3) Specific gravity (4) Elasticity

Description : Materials for rain proof coats and tents owe their water proof properties to – (1) Surface tension (2) Viscosity (3) Specific gravity (4) Elasticity

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Rain drops acquire spherical shape due to - (1) viscosity (2) surface tension (3) friction (4) elasticity

Description : Rain drops acquire spherical shape due to - (1) viscosity (2) surface tension (3) friction (4) elasticity

Last Answer : (2) surface tension Explanation: The Surface tension pulls the surface of the drop equally at all points thus produces the spherical shape having the minimum surface area.

A falling drop of rain water ac-quires the spherical shape due to – (1) Viscosity (2) Surface Tension (3) Atmospheric pressure (4) Gravitational force

Description : A falling drop of rain water ac-quires the spherical shape due to – (1) Viscosity (2) Surface Tension (3) Atmospheric pressure (4) Gravitational force

Last Answer : (2) Surface Tension Explanation: Raindrops start out as round high in the atmosphere as water collects on dust and smoke particles in clouds. But as raindrops fall, they lose their rounded ... the molecules stick together. The cause is the weak hydrogen bonds that occur between water molecules.

If there were no gravity, which of the following will not be there for a fluid? (1) Viscosity (2) Surface Tension (3) Pressure (4) Upward Thrust

Description : If there were no gravity, which of the following will not be there for a fluid? (1) Viscosity (2) Surface Tension (3) Pressure (4) Upward Thrust

Last Answer : Upward Thrust

Alcohol is more volatile than water because _________ is lower than water. (1) its boiling point (2) its density (3) its viscosity (4) its surface tension

Description : Alcohol is more volatile than water because _________ is lower than water. (1) its boiling point (2) its density (3) its viscosity (4) its surface tension

Last Answer : its boiling point

A needle or a pin floats on the surface of water because of (1) Surface tension (2) Surface energy (3) Viscosity (4) Adhesive force

Description : A needle or a pin floats on the surface of water because of (1) Surface tension (2) Surface energy (3) Viscosity (4) Adhesive force

Last Answer :  Surface tension

A liquid disturbed by stirring comes to rest due to (1) density (2) surface tension (3) viscosity (4) centripetal force

Description : A liquid disturbed by stirring comes to rest due to (1) density (2) surface tension (3) viscosity (4) centripetal force

Last Answer : viscosity

Materials for rain proof coats and tents owe their water proof properties to (1) Surface tension (2) Viscosity (3) Specific gravity (4) Elasticity

Description : Materials for rain proof coats and tents owe their water proof properties to (1) Surface tension (2) Viscosity (3) Specific gravity (4) Elasticity

Last Answer : Surface tension

A solid needle placed horizontally on the surface of the water floats due to (1) capillary action (2) water pressure (3) surface tension of water (4) viscosity of water

Description : A solid needle placed horizontally on the surface of the water floats due to (1) capillary action (2) water pressure (3) surface tension of water (4) viscosity of water

Last Answer : surface tension of water

Ball pen functions on the principle of : (1) Viscosity (2) Boyle’s Law (3) Gravitational force (4) Surface tension

Description : Ball pen functions on the principle of : (1) Viscosity (2) Boyle’s Law (3) Gravitational force (4) Surface tension

Last Answer : Surface tension

Small bubbles are perfectly spherical because of (1) Gravity (2) Pressure (3) Viscosity (4) Surface tension

Description : Small bubbles are perfectly spherical because of (1) Gravity (2) Pressure (3) Viscosity (4) Surface tension

Last Answer : Surface tension

Rise of oil a wick is due to (1) density of the oil (2) viscosity of the oil (3) surface tension of the oil (4) pressure of the oil

Description : Rise of oil a wick is due to (1) density of the oil (2) viscosity of the oil (3) surface tension of the oil (4) pressure of the oil

Last Answer : surface tension of the oil

Which of the following is a result of Surface tension ? (1) Gravitational pull (2) Viscosity (3) Capillary action (4) Radiation

Description : Which of the following is a result of Surface tension ? (1) Gravitational pull (2) Viscosity (3) Capillary action (4) Radiation

Last Answer : Capillary action

A falling drop of rain water acquires the spherical shape due to (1) Viscosity (2) Surface Tension (3) Atmospheric pressure (4) Gravitational force

Description : A falling drop of rain water acquires the spherical shape due to (1) Viscosity (2) Surface Tension (3) Atmospheric pressure (4) Gravitational force 

Last Answer : Surface Tension

My friend, years ago, had a box filled with herbs, a foul smell would fill the room when you opened the box, what herbs could these have been?

Description : My friend, years ago, had a box filled with herbs, a foul smell would fill the room when you opened the box, what herbs could these have been?

Last Answer : answer:My guess would be Asafoetida-it is used a lot in middle eastern cooking (giant fennel). Tastes great after you cook it, but it stinks to high heaven before cooked. It is a smell that would go ... Latin, I think, and is the same as the English root for fetid (having a heavily offensive smell).

When you open a bottle of carbonated cola you see bubbles of gas bursting from the surface. What can you infer about the amount of gas dissolved in the solution before you opened the bottle?

Description : When you open a bottle of carbonated cola you see bubbles of gas bursting from the surface. What can you infer about the amount of gas dissolved in the solution before you opened the bottle?

Last Answer : If gas comes out of solution when a bottle is opened, then there must have been a greater amount of dissolved gas in the substance while it was under pressure prior to opening the bottle.

The bubbling off of carbon dioxide when a bottle of carbonated beverage is opened is a good example of: w) deliquescence x) effervescence y) condensation z) sublimation

Description : The bubbling off of carbon dioxide when a bottle of carbonated beverage is opened is a good example of: w) deliquescence x) effervescence y) condensation z) sublimation

Last Answer : ANSWER: EFFERVESCENCE

You cannot touch me. I cause anger and illness. My remedy is tangible. It spreads happiness throughout the world everyday. What am I? -Riddles

Description : You cannot touch me. I cause anger and illness. My remedy is tangible. It spreads happiness throughout the world everyday. What am I? -Riddles

Last Answer : Hunger. Food.

The property of a soil due to which water percolates through it is known as a) Porosity b) Permeability* c) Moisture content d) Capillarit

Description : The property of a soil due to which water percolates through it is known as a) Porosity b) Permeability* c) Moisture content d) Capillarit

Last Answer : b) Permeability*

What is the best example of a country where they opened too soon, then had to lock up again? (COVID topic)

Description : What is the best example of a country where they opened too soon, then had to lock up again? (COVID topic)

Last Answer : Taiwan and Singapore are two places. Check out this link: https://www.bbc.com/news/world-asia-57153195

Does transferring perfume from its spray bottle into a small glass bottle affect its composition?

Description : Does transferring perfume from its spray bottle into a small glass bottle affect its composition?

Last Answer : You might lose some to evaporation etc in the process, but otherwise no.

How do you portion out a large bottle of perfume or cologne?

Description : How do you portion out a large bottle of perfume or cologne?

Last Answer : Glass container only. You can find atomisers online. You can use a a pipette to draw up and dispense it into the new container. I deal with essential oils and fragrance oils. Leaving them in plastic bottles is bad. :/