Assertion : In presence of ozone, mercury loses its meniscus and sticks to glasses. This is called tailing of mercury Reason: Tailing of mercury is du

Assertion : In presence of ozone, mercury loses its meniscus and sticks to glasses. This is called tailing of mercury Reason: Tailing of mercury is du
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Assertion : In presence of ozone, mercury loses its meniscus and sticks to glasses. This is called ... -I is not correct and Statement-II is correct
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Which of the following metals loses its meniscus after reacting with ozone?

Description : Which of the following metals loses its meniscus after reacting with ozone?

Last Answer : Which of the following metals loses its meniscus after reacting with ozone? A. Pb B. Hg C. Cu D. Ag

In the tailing of mercury ozone oxidises X to Y.X and Y are respectively

Description : In the tailing of mercury ozone oxidises X to Y.X and Y are respectively

Last Answer : In the tailing of mercury ozone oxidises X to Y.X and Y are respectively A. Hg,Hg(I)O B. Hg,Hg(II)O C. Hg(I)O,Hg(II)O D. Hg(II)O,Hg(I)O

On all instruments like measuring cylinder, pipette and burette, readings are always taken at the bottom of the meniscus of liquid. This is not true for liquids like A. Oil B. Ink C. Mercury D. Seawater

Description : On all instruments like measuring cylinder, pipette and burette, readings are always taken at the bottom of the meniscus of liquid. This is not true for liquids like A. Oil B. Ink C. Mercury D. Seawater

Last Answer : Mercury

The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU)(A) 20(B) 230(C) 750(D) 1500.

Description : The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU). (A) 20 (B) 230 (C) 750 (D) 1500

Last Answer : (B) 230

Hydrogen peroxide is an effective sterilizing agent. Which one of the following product results when it readily loses active oxygen? (1) Nascent Hydrogen (2) Water (3) Hydrogen (4) Ozone

Description : Hydrogen peroxide is an effective sterilizing agent. Which one of the following product results when it readily loses active oxygen? (1) Nascent Hydrogen (2) Water (3) Hydrogen (4) Ozone

Last Answer : (2) Water Explanation: Hydrogen peroxide (H2O2) is a water molecule with an extra oxygen atom. It is very unstable and breaks down readily into water and a single oxygen molecule. So in nutshell, when Hydrogen peroxide readily loses active oxygen, Water is formed.

Hydrogen peroxide is an effective sterilizing agent. Which one of the following product results when it readily loses active oxygen? (1) Nascent Hydrogen (2) Water (3) Hydrogen (4) Ozone

Description : Hydrogen peroxide is an effective sterilizing agent. Which one of the following product results when it readily loses active oxygen? (1) Nascent Hydrogen (2) Water (3) Hydrogen (4) Ozone

Last Answer : Water

In coal washeries, three products namely the valuable product (i.e. clean/washed coal), discarded product (i.e. mineral matter) and an additional concentrated product called __________ is produced. (A) Concentrate (B) Tailing (C) Middling (D) None of these

Description : In coal washeries, three products namely the valuable product (i.e. clean/washed coal), discarded product (i.e. mineral matter) and an additional concentrated product called __________ is produced. (A) Concentrate (B) Tailing (C) Middling (D) None of these

Last Answer : (C) Middling

The crushed material received for separation is called feed or (A) Tailing (B) Heading (C) Concentrate (D) Middling

Description : The crushed material received for separation is called feed or (A) Tailing (B) Heading (C) Concentrate (D) Middling

Last Answer : (B) Heading

Assertion : The primitive atmosphere was reducing one i.e., without oxygen. Reason : In the atmosphere, oxygen was involved in forming ozone.

Description : Assertion : The primitive atmosphere was reducing one i.e., without oxygen. Reason : In the atmosphere, oxygen was involved in forming ozone.

Last Answer : Assertion : The primitive atmosphere was reducing one i.e., without oxygen. Reason : In the ... . If both the assertion and reason are false.

Assertion (A): UV radiation causes photodissociation of ozone into `O_(2)` and O, thus causing damage to the stratospheric change. Reason (R): Ozone h

Description : Assertion (A): UV radiation causes photodissociation of ozone into `O_(2)` and O, thus causing damage to the stratospheric change. Reason (R): Ozone h

Last Answer : Assertion (A): UV radiation causes photodissociation of ozone into `O_(2)` and O, thus causing damage ... true but reason is wrong D. Both are wrong

Assertion (A) : Presently, the global atmosphere is warming up. Reason (R): The depletion of stratospheric ozone layer has resulted in increase in ult

Description : Assertion (A) : Presently, the global atmosphere is warming up. Reason (R): The depletion of stratospheric ozone layer has resulted in increase in ult

Last Answer : Assertion (A) : Presently, the global atmosphere is warming up. Reason (R): The depletion of ... true but reason is wrong D. Both are wrong

Assertion: The O - O bond lengths in ozone molecule are intermediate between single and double bonds. Reason: `O_(3)` molecule is a resonance hybrid.

Description : Assertion: The O - O bond lengths in ozone molecule are intermediate between single and double bonds. Reason: `O_(3)` molecule is a resonance hybrid.

Last Answer : Assertion: The O - O bond lengths in ozone molecule are intermediate between single and double bonds. ... I is not correct and Statement-II is correct

`{:("List-I","List-II"),("A) O"_(3)+H_(2)O_(2)rarr,"1) Blue"),("B) O"_(3)+"starch KI"rarr,"2) Tailing"),("C) O"_(3)+"Hg"rarr,"3) HIO"_(3)),("D) O"_(3)

Description : `{:("List-I","List-II"),("A) O"_(3)+H_(2)O_(2)rarr,"1) Blue"),("B) O"_(3)+"starch KI"rarr,"2) Tailing"),("C) O"_(3)+"Hg"rarr,"3) HIO"_(3)),("D) O"_(3)

Last Answer : `{:("List-I","List-II"),("A) O"_(3)+H_(2)O_(2)rarr,"1) Blue"),("B) O"_(3)+"starch KI"rarr,"2) Tailing"),("C ... 4,3,2):}` D. `{:(A,B,C,D),(3,2,1,5):}`

Which sequence in case of eukaryotes is important for MRNA tailing? (a) GAGAGA (b) GAATTC(c) UACGAC (d) UACUAAC

Description : Which sequence in case of eukaryotes is important for MRNA tailing? (a) GAGAGA (b) GAATTC(c) UACGAC (d) UACUAAC

Last Answer : (d) UACUAAC

Assertion : Smoking makes oxgyen less available to the body Reason : In presence `CO,O_2` binds less with haemoglobin.

Description : Assertion : Smoking makes oxgyen less available to the body Reason : In presence `CO,O_2` binds less with haemoglobin.

Last Answer : Assertion : Smoking makes oxgyen less available to the body Reason : In presence `CO,O_2` binds less ... . D. If both Assertion & Reason are false.

Assertion: Presence of large amounts of nutrients in water body causes excessive growth of planktonic algae. Reason : It is due to biomagnifications

Description : Assertion: Presence of large amounts of nutrients in water body causes excessive growth of planktonic algae. Reason : It is due to biomagnifications

Last Answer : Assertion: Presence of large amounts of nutrients in water body causes excessive growth of planktonic algae. ... but reason is wrong D. Both are wrong

Assertion: Reaction of `SO_(2)` and `H_(2)S` in the presence of `Fe_(2)O_(3)` catalyst gives elemental sulphur. Reason: `SO_(2)` is a reducing agent.

Description : Assertion: Reaction of `SO_(2)` and `H_(2)S` in the presence of `Fe_(2)O_(3)` catalyst gives elemental sulphur. Reason: `SO_(2)` is a reducing agent.

Last Answer : Assertion: Reaction of `SO_(2)` and `H_(2)S` in the presence of `Fe_(2)O_(3)` catalyst gives ... is False. D. If both Assertion & Reason are False.

Assertion : Presence of zona pallucida over the fertilized ovum prevents ectopic pregnancy . Reason : Zona pellucida helps the ovum to penetrate endom

Description : Assertion : Presence of zona pallucida over the fertilized ovum prevents ectopic pregnancy . Reason : Zona pellucida helps the ovum to penetrate endom

Last Answer : Assertion : Presence of zona pallucida over the fertilized ovum prevents ectopic pregnancy . Reason : Zona ... . If both Assertion & Reason are False.

Assertion: Pregnant women may show some presence of glucose in their postprandial urine although they have no diabetes. Reason: In pregnant women the

Description : Assertion: Pregnant women may show some presence of glucose in their postprandial urine although they have no diabetes. Reason: In pregnant women the

Last Answer : Assertion: Pregnant women may show some presence of glucose in their postprandial urine although they ... D. If both Assertion and Reason are false

Let a tin capillary tube be replaced with another tube of insufficient length then we find that water (a) Will overflow (b) Will not rise (c) Depress (d) Changes its meniscus

Description : Let a tin capillary tube be replaced with another tube of insufficient length then we find that water (a) Will overflow (b) Will not rise (c) Depress (d) Changes its meniscus

Last Answer : Ans:(b)

Choose the wrong statement. Alcohol is used in manometer, because (A) Its vapour pressure is low (B) It provides suitable meniscus for the inclined tube (C) Its density is less (D) It provides longer length for a given pressure difference

Description : Choose the wrong statement. Alcohol is used in manometer, because (A) Its vapour pressure is low (B) It provides suitable meniscus for the inclined tube (C) Its density is less (D) It provides longer length for a given pressure difference

Last Answer : Answer: Option A

What are the prospects of a dedicated skier after meniscus tear repair?

Description : What are the prospects of a dedicated skier after meniscus tear repair?

Last Answer : This should give you some good insight from people in the same boat as you. http://www.epicski.com/forum/thread/79492/ski-with-meniscus-mcl-tear

Torn Meniscus, can surgery cause future problems?

Description : Torn Meniscus, can surgery cause future problems?

Last Answer : answer:I tore mine in the 70s. After surgery, I have some lack of flex in the knee to this day (scar tissue formed when I had complications from the spinal anesthetic and did not move soon enough and ... the wrong way and that hurts. For the most part, though, my knee is functional and pain-free.

A small object is 2 cm below the concave meniscus of water in a test tube . The radius of the meniscus is 5mm and `mu` for water is `4//3`. Find the n

Description : A small object is 2 cm below the concave meniscus of water in a test tube . The radius of the meniscus is 5mm and `mu` for water is `4//3`. Find the n

Last Answer : A small object is 2 cm below the concave meniscus of water in a test tube . The radius of the ... /3`. Find the nature and position of the image.

What are the symptoms and treatment options for a meniscus tear?

Description : What are the symptoms and treatment options for a meniscus tear?

Last Answer : You could possibly have a meniscus tear. If you are diagnosed with a meniscus tear then you can do certain treatments depending on the level of the tear. If it's a slight tear you may just need to ... take care of your knee with much more ease. Severe you may have to have it removed or repaired.

What are some symptoms of a meniscus tear?

Description : What are some symptoms of a meniscus tear?

Last Answer : Meniscus tear symptoms can range from mildly painful to extreme. Some of the meniscus tear symptoms to look for include: - Swelling of the knee area - Stiffness in the knee - Sharp or ... clicking sound in the knee - Difficulty standing or unsteady sensation upon standing - Decreased range of motion

How to Exercise After a Meniscus Tear?

Description : How to Exercise After a Meniscus Tear?

Last Answer : The cartilage between your knee bones, called the meniscus, helps disperse friction and prevents the bones from rubbing against each other. A sudden accident, such as a fall or twist of the ... recovery time and help you maintain leg strength, which is crucial for preventing future knee injuries.

Where is a liquid volume reading taken in relation to a meniscus?

Description : Where is a liquid volume reading taken in relation to a meniscus?

Last Answer : none

In hydrometer analysis for a soil mass (A) Both meniscus correction and dispersing agent correction are additive (B) Both meniscus correction and dispersing agent correction are subtractive (C) Meniscus correction is additive and dispersing agent correction is subtractive (D) Meniscus correction is subtractive and dispersing agent correction is additive

Description : In hydrometer analysis for a soil mass (A) Both meniscus correction and dispersing agent correction are additive (B) Both meniscus correction and dispersing agent correction are subtractive ... is subtractive (D) Meniscus correction is subtractive and dispersing agent correction is additive

Last Answer : (C) Meniscus correction is additive and dispersing agent correction is subtractive

Hydrometer readings are corrected for: (A) Temperature correction (B) Meniscus correction (C) Dispersing agent correction (D) Temperature, meniscus and dispersing agent corrections

Description : Hydrometer readings are corrected for: (A) Temperature correction (B) Meniscus correction (C) Dispersing agent correction (D) Temperature, meniscus and dispersing agent corrections

Last Answer : Answer: Option D

Pick out the wrong statement (A) Low ozone layer thickness in polar regions is due to cold climatic conditions (B) Amount of unburnt hydrocarbons emitted by two stroke petrol engine is more as compared to that emitted by a four stroke engine (C) Carbon monoxide present in the two stroke petrol engine exhaust is much less as compared to that emitted from a four stroke engine (D) Mercury as a pollutant can enter the blood stream & the digestive system/ lungs and is responsible for causing Minamata disease

Description : Pick out the wrong statement (A) Low ozone layer thickness in polar regions is due to cold climatic conditions (B) Amount of unburnt hydrocarbons emitted by two stroke petrol engine is more ... can enter the blood stream & the digestive system/ lungs and is responsible for causing Minamata disease

Last Answer : (D) Mercury as a pollutant can enter the blood stream & the digestive system/ lungs and is responsible for causing Minamata disease

Which of the following pollutants can cause cancer in humans ? (A) Pesticides (B) Mercury (C) Lead (D) Ozone

Description : Which of the following pollutants can cause cancer in humans ? (A) Pesticides (B) Mercury (C) Lead (D) Ozone

Last Answer : Answer: A

A centrifugal pump loses prime after starting. The reason of this trouble may be (A) Incomplete priming (B) Too high a suction lift (C) Low available NPSH and air leaks in the suction pipe (D) All (A), (B), and (C)

Description : A centrifugal pump loses prime after starting. The reason of this trouble may be (A) Incomplete priming (B) Too high a suction lift (C) Low available NPSH and air leaks in the suction pipe (D) All (A), (B), and (C)

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

(1) the action of ultraviolet rays on oxygen Explanation: The majority of tropospheric ozone formation occurs when nitrogen oxides (NOx), carbon monoxide (CO ) and volatile organic compounds (VOCs), such as xylene, react in the atmosphere in the presence of sunlight containing ultra violet rays. NOx, CO, and VOCs are called ozone precursors. CO + 2O2 + CO2 + O3

Description : (1) the action of ultraviolet rays on oxygen Explanation: The majority of tropospheric ozone formation occurs when nitrogen oxides (NOx), carbon monoxide (CO ) and volatile organic compounds (VOCs), such as xylene, ... violet rays. NOx, CO, and VOCs are called ozone precursors. CO + 2O2 + CO2 + O3

Last Answer : Water is not effective in extinguishing a fire caused by petrol because - (1) the flame is too hot for water to cool it down (2) water and petrol react chemically (3) water and petrol are ... (4) water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn

What is the important function of presence of ozone in earth’s atmosphere? -Science

Description : What is the important function of presence of ozone in earth’s atmosphere? -Science

Last Answer : Ozone is the Earth’s natural process for all life forms. It shields our planet from the UV radiations, as these ultraviolet rays are harmful for all the living things. Therefore, any change ... size of this layer will automatically affect the life of people, plants and animals living on earth.

Ozone-hole in the atmosphere is largely caused by the presence of – (1) Oxygen (2) Hydrogen (3) Chlorofluorocarbons (4) Radio-active waste

Description : Ozone-hole in the atmosphere is largely caused by the presence of – (1) Oxygen (2) Hydrogen (3) Chlorofluorocarbons (4) Radio-active waste

Last Answer : (3) Chlorofluorocarbons Explanation: Chlorofluorocarbons (CFCs) and other halogenated ozone depleting substances (ODS) are mainly responsible for man-made chemical ozone depletion. It is calculated that a ... about a century, destroying up to one hundred thousand ozone molecules during that time.

Why normal rain is slightly acidic? A. due to presence of dust in air B. carbon dioxide and water in clouds react to form carbonic acid (Answer) C. Ozone depletion D. All of these

Description : Why normal rain is slightly acidic? A. due to presence of dust in air B. carbon dioxide and water in clouds react to form carbonic acid (Answer) C. Ozone depletion D. All of these

Last Answer : B. carbon dioxide and water in clouds react to form carbonic acid (Answer)

Presence of high concentration of ozone and smog in atmospheric air causes the(A) Embrittlement & decrease of folding resistance of paper(B) Cracking of rubber products(C) Fading of dye on textiles(D) Damage of electrical insulator on high tension power line

Description : Presence of high concentration of ozone and smog in atmospheric air causes the (A) Embrittlement & decrease of folding resistance of paper (B) Cracking of rubber products (C) Fading of dye on textiles (D) Damage of electrical insulator on high tension power line

Last Answer : (B) Cracking of rubber products

Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of (A) CO2 (B) SO2 (C) Hydrocarbons (D) CFC (chloro fluoro carbon)

Description : Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of (A) CO2 (B) SO2 (C) Hydrocarbons (D) CFC (chloro fluoro carbon)

Last Answer : (D) CFC (chloro fluoro carbon)

The effect of corona can be detected by (a) presence of ozone detected by odour (b) hissing sound (c) faint luminous glow of bluish colour (d) all of the above

Description : The effect of corona can be detected by (a) presence of ozone detected by odour (b) hissing sound (c) faint luminous glow of bluish colour (d) all of the above

Last Answer : (d) all of the above

The presence of ozone due to corona is harmful because it (a) reduces power factor (b) corrodes the material (c) gives odour (d) transfer energy to the ground (e) none of the above

Description : The presence of ozone due to corona is harmful because it (a) reduces power factor (b) corrodes the material (c) gives odour (d) transfer energy to the ground (e) none of the above

Last Answer : (b) corrodes the material

The presence of ozone in the stratosphere is responsible for (1) increasing the average global temperature in recent years (2) higher rate of photosynthesis (3) checking the penetration of ultra-violet rays to the earth (4) supplying oxygen for people travelling in jets

Description : The presence of ozone in the stratosphere is responsible for (1) increasing the average global temperature in recent years (2) higher rate of photosynthesis (3) checking the penetration of ultra-violet rays to the earth (4) supplying oxygen for people travelling in jets

Last Answer : checking the penetration of ultra-violet rays to the earth

Ozone-hole in the atmosphere is largely caused by the presence of (1) Oxygen (2) Hydrogen (3) Chloro-floro-carbon (4) Radio-active waste

Description : Ozone-hole in the atmosphere is largely caused by the presence of (1) Oxygen (2) Hydrogen (3) Chloro-floro-carbon (4) Radio-active waste

Last Answer : Chloro-floro-carbon

Fluorosis is caused due to the presence of excessive amount of __________ in drinking water. (A) Mercury (B) Lead (C) Fluoride (D) Arsenic

Description : Fluorosis is caused due to the presence of excessive amount of __________ in drinking water. (A) Mercury (B) Lead (C) Fluoride (D) Arsenic

Last Answer : (C) Fluoride

When will DU celebrate its centenary ?

Description : When will DU celebrate its centenary ?

Last Answer : Will observe in 2021 .

When to switch from Sie to Du in German?

Description : When to switch from Sie to Du in German?

Last Answer : answer:I hope I'm following this correctly. It's an informal you . According to a German friend of my own, sie seems to be getting phased out slowly but surely - but the use of du as a word ... s use on a personal level in practical application I think it's a case of trial and error I'm afraid.

Which erogenous zone do the styles du jour emphasize this season?

Description : Which erogenous zone do the styles du jour emphasize this season?

Last Answer : Thighs, butt, and labia, judging from the amount of leggings I see. Not complaining in the least.

Is there a way to get discount tickets to Cirque du Soleil in San Francisco?

Description : Is there a way to get discount tickets to Cirque du Soleil in San Francisco?

Last Answer : If it’s not too late, maybe you can try being a volunteer usher for the theatre putting on the production?

Would you call W.E.B. Du Bois' "The Souls of Black Folk" a treatise?

Description : Would you call W.E.B. Du Bois' "The Souls of Black Folk" a treatise?

Last Answer : Have you read it? I’m not sure I understand the question. It is one of the great sociology texts in American Literature. It is a book. You can get it at the liberry.

For everyone who has seen Cirque Du Soleil "Love", where is the best place to sit?

Description : For everyone who has seen Cirque Du Soleil "Love", where is the best place to sit?

Last Answer : I’ll tell you Saturday. I’m going to see them tomorrow night.