White phosphorous is kept in?

White phosphorous is kept in?
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1 Answer

Answer :

Water
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Related questions

The product obtained after the heating of White Phosphorous at a high temperature is?

Description : The product obtained after the heating of White Phosphorous at a high temperature is?

Last Answer : Black Phosphorous

White phosphorous burns in atmosphere at?

Description : White phosphorous burns in atmosphere at?

Last Answer : 30°C

White phosphorous on reaction with `NaOH` gives `PH_(3)` and

Description : White phosphorous on reaction with `NaOH` gives `PH_(3)` and

Last Answer : White phosphorous on reaction with `NaOH` gives `PH_(3)` and A. `Na_(2)HPO_(3)` B. `NaH_(2)PO_(2)` C. `NaH_(2)PO_(3)` D. `Na_(3)PO_(4)`

The product formed in the reaction of `SOCl_2` (thionyl chloride) with white phosphorous is.

Description : The product formed in the reaction of `SOCl_2` (thionyl chloride) with white phosphorous is.

Last Answer : The product formed in the reaction of `SOCl_2` (thionyl chloride) with white phosphorous is. A. `PCl_(3)` B. `SO_(2)Cl_(2)` C. `SCl_(2)` D. `POCl_(3)`

White phosphorous on reaction with `NaOH` gives `PH_(3)` and

Description : White phosphorous on reaction with `NaOH` gives `PH_(3)` and

Last Answer : White phosphorous on reaction with `NaOH` gives `PH_(3)` and A. `Na_(2)HPO_(3)` B. `NaH_(2)PO_(2)` C. `NaH_(2)PO_(3)` D. `Na_(3)PO_(4)`

The product formed in the reaction of `SOCl_2` (thionyl chloride) with white phosphorous is.

Description : The product formed in the reaction of `SOCl_2` (thionyl chloride) with white phosphorous is.

Last Answer : The product formed in the reaction of `SOCl_2` (thionyl chloride) with white phosphorous is. A. `PCl_(3)` B. `SO_(2)Cl_(2)` C. `SCl_(2)` D. `POCl_(3)`

Heavy duty bearings are usually made of (A) White metal (B) Phosphorous bronze (C) Monel (D) Zinc

Description : Heavy duty bearings are usually made of (A) White metal (B) Phosphorous bronze (C) Monel (D) Zinc

Last Answer : (A) White metal

Bearings subjected to light load are made of (A) White metal (B) Phosphorous bronze (C) Monel (D) Silicon bronze

Description : Bearings subjected to light load are made of (A) White metal (B) Phosphorous bronze (C) Monel (D) Silicon bronze

Last Answer : (B) Phosphorous bronze

Bush bearings are made of (A) Mild steel (B) Phosphorous bronze (C) White metal alloys (D) None of these

Description : Bush bearings are made of (A) Mild steel (B) Phosphorous bronze (C) White metal alloys (D) None of these

Last Answer : (B) Phosphorous bronze

Both white phosphorous as well as red phosphorous (A) Are soluble in CS2 (B) Burns when heated in air (C) Reacts with hot caustic soda solution to give Phosphine (D) All (A), (B), and (C)

Description : Both white phosphorous as well as red phosphorous (A) Are soluble in CS2 (B) Burns when heated in air (C) Reacts with hot caustic soda solution to give Phosphine (D) All (A), (B), and (C)

Last Answer : (B) Burns when heated in air

Red phosphorous is changed into white phosphorous by (A) Heating in presence of light (B) Melting under pressure (C) Vaporisation followed by condensation (D) None of these

Description : Red phosphorous is changed into white phosphorous by (A) Heating in presence of light (B) Melting under pressure (C) Vaporisation followed by condensation (D) None of these

Last Answer : (C) Vaporisation followed by condensation

Maximum stability of white phosphorous is at (A) Very high pressure (B) Atmospheric pressure (C) Room temperature (D) > 600°C

Description : Maximum stability of white phosphorous is at (A) Very high pressure (B) Atmospheric pressure (C) Room temperature (D) > 600°C

Last Answer : (D) > 600°C

Reaction of phosphate rock with 98% H2SO4 produces (A) Ortho-phosphoric acid (B) Superphosphate (C) White phosphorous (D) None of these

Description : Reaction of phosphate rock with 98% H2SO4 produces (A) Ortho-phosphoric acid (B) Superphosphate (C) White phosphorous (D) None of these

Last Answer : (A) Ortho-phosphoric acid

Pick out the wrong statement. (A) 'Green acid' is the other name of phosphoric acid produced by the reaction of phosphate rock & sulphuric acid (B) Chemically unreactive nature of red phosphorous is due to its polymeric structure (C) Red phosphorous is the most reactive allotropic form of phosphorous (D) Red phosphorous, which is used in the manufacture of safety matches, is converted into white phosphorous by vaporisation followed by condensation

Description : Pick out the wrong statement. (A) 'Green acid' is the other name of phosphoric acid produced by the reaction of phosphate rock & sulphuric acid (B) Chemically unreactive nature of ... in the manufacture of safety matches, is converted into white phosphorous by vaporisation followed by condensation

Last Answer : (C) Red phosphorous is the most reactive allotropic form of phosphorous

The most stable allotropic form of phosphorous is the __________ phosphorous. (A) White (B) Black (C) Yellow (D) Red

Description : The most stable allotropic form of phosphorous is the __________ phosphorous. (A) White (B) Black (C) Yellow (D) Red

Last Answer : (B) Black

White phosphorous is stored under water, because (A) It does not react with water (B) It is poisonous (C) Its kindling temperature in dry air is very low (D) It is unstable

Description : White phosphorous is stored under water, because (A) It does not react with water (B) It is poisonous (C) Its kindling temperature in dry air is very low (D) It is unstable

Last Answer : (C) Its kindling temperature in dry air is very low

White Phosphorous is place under the

Description : White Phosphorous is place under the

Last Answer : Cold water

Concentrated hydrochloric acid when kept in open air sometimes produces a cloud of white fumes. The explanation for it is that :

Description : Concentrated hydrochloric acid when kept in open air sometimes produces a cloud of white fumes. The explanation for it is that :

Last Answer : Concentrated hydrochloric acid when kept in open air sometimes produces a cloud of white fumes. The ... gas to form a cloud of chlorine gas.

White phosphorus is always kept under

Description : White phosphorus is always kept under

Last Answer : Water

White phosphorus is generally kept under – (1) Alcohol (2) Water (3) Glycerine (4) Kerosene oil

Description : White phosphorus is generally kept under – (1) Alcohol (2) Water (3) Glycerine (4) Kerosene oil

Last Answer : (2) Water Explanation: White phosphorous is kept under water because it reacts with oxygen but not water. Besides, it is insoluble in water. It presents a significant fire hazard due to its extreme reactivity with atmospheric oxygen.

White phosphorus is always kept under (1) benzene (2) kerosene (3) ether (4) water

Description : White phosphorus is always kept under (1) benzene (2) kerosene (3) ether (4) water

Last Answer : (4) water Explanation: White phosphorus is a material made from a common allotrope of the chemical element phosphorus that is used in smoke, tracer, illumination and incendiary munitions. Other common names include WP ... on fire, and cause serious burns or death and that is why it is kept in water.

A few normal seedlings of tomato were kept in a dark room. After a few days they were found to have become white-coloured like albinos. Which of the following terms will you use to describe them? (a) Mutated (b) Embolised (c) Etiolated (d) Defoliated

Description : A few normal seedlings of tomato were kept in a dark room. After a few days they were found to have become white-coloured like albinos. Which of the following terms will you use to describe them? (a) Mutated (b) Embolised (c) Etiolated (d) Defoliated

Last Answer : (c) Etiolated

High-priced goods which are kept in use for a relatively long time and so are not replaced very frequently are called _____________ 1. White goods 2. Yellow goods 3. Red goods 4. Orange goods 5. None of these

Description : High-priced goods which are kept in use for a relatively long time and so are not replaced very frequently are called _____________ 1. White goods 2. Yellow goods 3. Red goods 4. Orange goods 5. None of these

Last Answer : Yellow goods

White phosphorus is generally kept under (1) Alcohol (2) Water (3) Glycerine (4) Kerosene oil

Description : White phosphorus is generally kept under (1) Alcohol (2) Water (3) Glycerine (4) Kerosene oil

Last Answer : Water

Silver nitrate solution is kept in brown bottles in laboratory because (1) it reacts with ordinary white bottles (2) brown bottles stops the passage of light through it (3) brown bottles do not react with it (4) brown bottles react with it

Description : Silver nitrate solution is kept in brown bottles in laboratory because (1) it reacts with ordinary white bottles (2) brown bottles stops the passage of light through it (3) brown bottles do not react with it (4) brown bottles react with it

Last Answer : brown bottles stops the passage of light through it

White phosphorus is always kept under (1) benzene (2) kerosene (3) ether (4) water

Description : White phosphorus is always kept under (1) benzene (2) kerosene (3) ether (4) water

Last Answer : water

Which of the following is used in pencils? A.Graphite B.Silicon C.Charcoal D.Phosphorous -Science

Description : Which of the following is used in pencils? A.Graphite B.Silicon C.Charcoal D.Phosphorous -Science

Last Answer : answer is A. Graphite

The substances that can be used as explosives are 1. phosphorous trichloride 2. mercuric oxide 3. trinitrotoluene 4. nitroglycerine The correct answers are: (a) 1 and 2 (b) 2 and 4 (c) 2 and 3 (d) 3 and 4

Description : The substances that can be used as explosives are 1. phosphorous trichloride 2. mercuric oxide 3. trinitrotoluene 4. nitroglycerine The correct answers are: (a) 1 and 2 (b) 2 and 4 (c) 2 and 3 (d) 3 and 4

Last Answer : Ans:(d)

The molecular formula of phosphorous is?

Description : The molecular formula of phosphorous is?

Last Answer : P4

Write the name of a liquid in which phosphorous dissolves:?

Description : Write the name of a liquid in which phosphorous dissolves:?

Last Answer : Carbondisulphide

The phosphorous used as rat poison ?

Description : The phosphorous used as rat poison ?

Last Answer : Zinc Phosphide

The phosphorous which is illuminated in darkness is?

Description : The phosphorous which is illuminated in darkness is?

Last Answer : White Phosphorous

The isotope of Phosphorous used for the treatment of blood cancer is?

Description : The isotope of Phosphorous used for the treatment of blood cancer is?

Last Answer : Phosphorous-32

Red phosphorous is used for making ?

Description : Red phosphorous is used for making ?

Last Answer : Safety matches

The form of Phosphorous which emits green light on the exposure to atmosphere ?

Description : The form of Phosphorous which emits green light on the exposure to atmosphere ?

Last Answer : White phosphorous

Phosphorous was discovered by?

Description : Phosphorous was discovered by?

Last Answer : Hennig Brand

Nitrogen (atomic number 7) and Phosphorous (atomic number 15) belong to group 15 of the periodic table. Which of these will be more electro negative? Why?

Description : Nitrogen (atomic number 7) and Phosphorous (atomic number 15) belong to group 15 of the periodic table. Which of these will be more electro negative? Why?

Last Answer : Nitrogen will be more electro negative as it decreases down the group.

The process of increase in the growth of algae in water bodies due to increase of phosphorous is called

Description : The process of increase in the growth of algae in water bodies due to increase of phosphorous is called

Last Answer : eutrophication.

Which of the following is used in Pencils? A. Graphite (Answer) B. Silicon C. Charcoal D. Phosphorous

Description : Which of the following is used in Pencils? A. Graphite (Answer) B. Silicon C. Charcoal D. Phosphorous

Last Answer : A. Graphite (Answer)

Which of the following is a Non Metal that remains Liquid at room temperature? A. Phosphorous B. Bromine (Answer) C. Chlorine D. Helium

Description : Which of the following is a Non Metal that remains Liquid at room temperature? A. Phosphorous B. Bromine (Answer) C. Chlorine D. Helium

Last Answer : B. Bromine (Answer)

What are the chemical signals of phosphorous acid ?

Description : What are the chemical signals of phosphorous acid ?

Last Answer : : Chemical signal of phosphorous acid H3PO3

Phosphorous has the oxidation state of `+3` in :

Description : Phosphorous has the oxidation state of `+3` in :

Last Answer : Phosphorous has the oxidation state of `+3` in : A. Phosphorus acid B. Orthophosphoric acid C. Meta phosphoric acid D. Pyro phosphoric acid

Phosphorous has the oxidation state of +1 in:

Description : Phosphorous has the oxidation state of +1 in:

Last Answer : Phosphorous has the oxidation state of +1 in: A. Phosphorous acid `(H_(3)PO_(3))` B. Orthophosphoric acid ... phosphoric acid `(H_(4)(P_(2)O_(6))`

The product obtained when propanamide is distilled with phosphorous pentoxide is `(CH_3CH_(2)CO)_(2)O`

Description : The product obtained when propanamide is distilled with phosphorous pentoxide is `(CH_3CH_(2)CO)_(2)O`

Last Answer : The product obtained when propanamide is distilled with phosphorous pentoxide is `(CH_3CH_(2)CO)_(2)O` A. `CH_(3) ... . `(CH_(3)CH_(2)COO)_(3)PO` D.

Given below are some properties. How many of these can hold good for phosphorous (a) Metal (b) Non- metal (c) Metalloid (d) Exhibits allotropy (e) Cat

Description : Given below are some properties. How many of these can hold good for phosphorous (a) Metal (b) Non- metal (c) Metalloid (d) Exhibits allotropy (e) Cat

Last Answer : Given below are some properties. How many of these can hold good for phosphorous (a) ... electricity (h) Least dense among nitrogen family elements

In case of nitrogen, `NCl_(3)` is possible but not `NCl_(5)` while in case of phosphorous, `PCl_(5)` as well as `PCl_(5)` are possible. It is due to

Description : In case of nitrogen, `NCl_(3)` is possible but not `NCl_(5)` while in case of phosphorous, `PCl_(5)` as well as `PCl_(5)` are possible. It is due to

Last Answer : In case of nitrogen, `NCl_(3)` is possible but not `NCl_(5)` while in case of phosphorous, ... P in solid while N in gaseous state at room temperature

Given below are some properties. How many of these can hold good for phosphorous (a) Metal (b) Non- metal (c) Metalloid (d) Exhibits allotropy (e) Cat

Description : Given below are some properties. How many of these can hold good for phosphorous (a) Metal (b) Non- metal (c) Metalloid (d) Exhibits allotropy (e) Cat

Last Answer : Given below are some properties. How many of these can hold good for phosphorous (a) ... electricity (h) Least dense among nitrogen family elements

In case of nitrogen, `NCl_(3)` is possible but not `NCl_(5)` while in case of phosphorous, `PCl_(5)` as well as `PCl_(5)` are possible. It is due to

Description : In case of nitrogen, `NCl_(3)` is possible but not `NCl_(5)` while in case of phosphorous, `PCl_(5)` as well as `PCl_(5)` are possible. It is due to

Last Answer : In case of nitrogen, `NCl_(3)` is possible but not `NCl_(5)` while in case of phosphorous, ... P in solid while N in gaseous state at room temperature

In case of nitrogen, `NCl_(3)` is possible but not `NCl_(5)` while in case of phosphorous, `PCl_(5)` are possible. It is due to

Description : In case of nitrogen, `NCl_(3)` is possible but not `NCl_(5)` while in case of phosphorous, `PCl_(5)` are possible. It is due to

Last Answer : In case of nitrogen, `NCl_(3)` is possible but not `NCl_(5)` while in case of phosphorous, ... In solid while N in gaseous state at room temperature.

`S_(1):(HPO_(3))_(n)` can be prepared by heating phosphorous acid and bromine in a sealed tube. `S_(2)` : dry iodine reacts with ozone and formed yell

Description : `S_(1):(HPO_(3))_(n)` can be prepared by heating phosphorous acid and bromine in a sealed tube. `S_(2)` : dry iodine reacts with ozone and formed yell

Last Answer : `S_(1):(HPO_(3))_(n)` can be prepared by heating phosphorous acid and bromine in a sealed tube. `S_(2)` : ... below 369 K. A. FTF B. TTF C. TTT D. TFF