Upon long standing concetrated `HNO_(3)`

Upon long standing concetrated `HNO_(3)`
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Upon long standing concetrated `HNO_(3)` A. remains colourless, but gives out NO B. turns yellow brown ... D. remains colourless, but gives `N_(2)O`
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Upon long standing concetrated `HNO_(3)`

Description : Upon long standing concetrated `HNO_(3)`

Last Answer : Upon long standing concetrated `HNO_(3)` A. remains colourless, but gives out NO B. turns yellow brown ... D. remains colourless, but gives `N_(2)O`

Concentrated nitric acid upon long standing turns yellowish-brown due to the formation of :

Description : Concentrated nitric acid upon long standing turns yellowish-brown due to the formation of :

Last Answer : Concentrated nitric acid upon long standing turns yellowish-brown due to the formation of : A. NO B. `NO_(2)` C. `N_(2)O` D. `N_(2)O_(4)`

Concentrated nitric acid upon long standing turns yellowish-brown due to the formation of :

Description : Concentrated nitric acid upon long standing turns yellowish-brown due to the formation of :

Last Answer : Concentrated nitric acid upon long standing turns yellowish-brown due to the formation of : A. NO B. `NO_(2)` C. `N_(2)O` D. `N_(2)O_(4)`

Is there any way to prevent dizziness upon standing?

Description : Is there any way to prevent dizziness upon standing?

Last Answer : When you stand up, there's a reflex that occurs with your veins causing them to constrict, so all the blood doesn't leave your head at once. It sounds like yours might be a tad bit slow. The only thing I ... from falling over, I decided it was time to go to the doctor. That's all she said to do.

What would dizziness upon standing be a symptom of?

Description : What would dizziness upon standing be a symptom of?

Last Answer : This happens to most people if they stand or even sit up too quickly. It’s normal and probably not linked to asthma. Unless you’re talking about something that happens all the time, even if you stand up slowly….

I am black of eye and bright of hair And my feet are firmly in the ground. I love the sun upon my face And I follow it around. When I am dead and gone tis said, That I will droop real low, That I will keep the birds well fed, Standing stiff there in my row. What am I? -Riddles

Description : I am black of eye and bright of hair And my feet are firmly in the ground. I love the sun upon my face And I follow it around. When I am dead and gone tis said, That I will droop real low, That I will keep the birds well fed, Standing stiff there in my row. What am I? -Riddles

Last Answer : A sunflower.

Why does salad dressing made from oil and vinegar separates upon standing?

Description : Why does salad dressing made from oil and vinegar separates upon standing?

Last Answer : Because oil and vinegar are not miscible. -(you can shake orstir them together, but they soon separate.)

Why does salad dressing made from oil and vinegar separates upon standing?

Description : Why does salad dressing made from oil and vinegar separates upon standing?

Last Answer : Because oil and vinegar are not miscible. -(you can shake orstir them together, but they soon separate.)

A train goes past a railway station at a high speed. A young boy standing on the edge of the platform is likely to _____? A. Fall away from the train B. Remain unaffected C. Fall towards the train D. Fall away from or towards the train depending upon the speed

Description : A train goes past a railway station at a high speed. A young boy standing on the edge of the platform is likely to _____? A. Fall away from the train B. Remain unaffected C. Fall towards the train D. Fall away from or towards the train depending upon the speed

Last Answer : ANSWER: C

A train goes past a railway station at a high speed. A young boy standing on the edge of the platform is likely to -----? A. Remain unaffected B. Fall away from the train C. Fall towards the train (Answer) D. Fall away from or towards the train depending upon the speed

Description : A train goes past a railway station at a high speed. A young boy standing on the edge of the platform is likely to -----? A. Remain unaffected B. Fall away from the train C. Fall towards the train (Answer) D. Fall away from or towards the train depending upon the speed

Last Answer : C. Fall towards the train (Answer)

Assertion :- Nitrous acid `(HNO_(2))` may act as an oxidising agent as well as a reducing agent. Reason :- The oxidation number of Nitrogen remains sa

Description : Assertion :- Nitrous acid `(HNO_(2))` may act as an oxidising agent as well as a reducing agent. Reason :- The oxidation number of Nitrogen remains sa

Last Answer : Assertion :- Nitrous acid `(HNO_(2))` may act as an oxidising agent as well as a reducing agent. ... False. D. If both Assertion & Reason are False.

In the reaction :- `C+4HNO_(3)rarrCO_(2)+2H_(2)O+4NO_(2)` `HNO_(3)` acts as :-

Description : In the reaction :- `C+4HNO_(3)rarrCO_(2)+2H_(2)O+4NO_(2)` `HNO_(3)` acts as :-

Last Answer : In the reaction :- `C+4HNO_(3)rarrCO_(2)+2H_(2)O+4NO_(2)` `HNO_(3)` acts as :- A. An oxidising agent B. An acid C. A reducing agent D. None of them

`HNO_(2)` acts as an oxidant with which one of the following reagent :-

Description : `HNO_(2)` acts as an oxidant with which one of the following reagent :-

Last Answer : `HNO_(2)` acts as an oxidant with which one of the following reagent :- A. `KMnO_(4)` B. `H_(2)S` C. `K_(2)Cr_(2)O_(7)` D. `Br_(2)`

What is the number of moles of O-atom in 126 amu of `HNO_(3)` ?

Description : What is the number of moles of O-atom in 126 amu of `HNO_(3)` ?

Last Answer : What is the number of moles of O-atom in 126 amu of `HNO_(3)` ? A. 2 B. `(2)/(N_(A))` C. 6 D. `(6)/(N_(A))`

Aniline reacts with mixed acid (conc. `HNO_(3)` and conc. `H_(2)SO_(4)`) at 288 K to give P (51%), Q (47%) and R(2%). The major product (s) of the fol

Description : Aniline reacts with mixed acid (conc. `HNO_(3)` and conc. `H_(2)SO_(4)`) at 288 K to give P (51%), Q (47%) and R(2%). The major product (s) of the fol

Last Answer : Aniline reacts with mixed acid (conc. `HNO_(3)` and conc. `H_(2)SO_(4)`) at 288 K to give P ... of the following reaction sequence is (are) B. C. D.

Para toluidine is treated with `HNO_(2)` at ice cold conditions and then boiled with water. The final product obtained is :

Description : Para toluidine is treated with `HNO_(2)` at ice cold conditions and then boiled with water. The final product obtained is :

Last Answer : Para toluidine is treated with `HNO_(2)` at ice cold conditions and then boiled with water. The final ... acid B. p-cresol C. toluic acid D. phenol

What is the product when `C_(6)H_(5)CH_(2)NH_(2)` reacts with `HNO_(3)`?

Description : What is the product when `C_(6)H_(5)CH_(2)NH_(2)` reacts with `HNO_(3)`?

Last Answer : What is the product when `C_(6)H_(5)CH_(2)NH_(2)` reacts with `HNO_(3)`?

iodine rects with connentrated `HNO_(3)` to yield Y along with other products , the oxidation state of iodine in Y , is :

Description : iodine rects with connentrated `HNO_(3)` to yield Y along with other products , the oxidation state of iodine in Y , is :

Last Answer : iodine rects with connentrated `HNO_(3)` to yield Y along with other products , the oxidation state of iodine in Y , is : A. 7 B. 3 C. 1 D. 5

Platinum metal (Pt) dissolves in aqua-regia but not in concentrated HCl ot `HNO_(3)` because

Description : Platinum metal (Pt) dissolves in aqua-regia but not in concentrated HCl ot `HNO_(3)` because

Last Answer : Platinum metal (Pt) dissolves in aqua-regia but not in concentrated HCl ot `HNO_(3)` because A. HCl ... (3)` together give `O_(2)` that oxidises Pt

The nitrogen containing compound produced in the reaction of `HNO_(3)` with `P_(4)O_(10)`

Description : The nitrogen containing compound produced in the reaction of `HNO_(3)` with `P_(4)O_(10)`

Last Answer : The nitrogen containing compound produced in the reaction of `HNO_(3)` with `P_(4)O_(10)` A. ... bond D. react with Na metal producing a brown gas

Which gas is evolved when `PbO_(2)` is treated with conc `HNO_(3)` ?

Description : Which gas is evolved when `PbO_(2)` is treated with conc `HNO_(3)` ?

Last Answer : Which gas is evolved when `PbO_(2)` is treated with conc `HNO_(3)` ? A. `NO_(2)` B. `O_(2)` C. `N_(2)` D. `N_(2)O`

Cold conc. `HNO_(3)` will completely dissolve: (i) Pb (ii) `Pb_(3)O_(4)` (iii) Fe (iv) Sn (v) Mg (vi) MgO (vii) Hg (viii) Au (ix) Ag (x) Pt

Description : Cold conc. `HNO_(3)` will completely dissolve: (i) Pb (ii) `Pb_(3)O_(4)` (iii) Fe (iv) Sn (v) Mg (vi) MgO (vii) Hg (viii) Au (ix) Ag (x) Pt

Last Answer : Cold conc. `HNO_(3)` will completely dissolve: (i) Pb (ii) `Pb_(3)O_(4)` (iii) Fe (iv) Sn (v) Mg (vi) MgO (vii) Hg (viii) Au (ix) Ag (x) Pt

Number of acids having central atom in `+3` oxidation state among the following is (a) `HNO_(2)` (b) `HNO_(3)` (c) `H_(3)PO_(2)` (d) `H_(3)PO_(3)` (e)

Description : Number of acids having central atom in `+3` oxidation state among the following is (a) `HNO_(2)` (b) `HNO_(3)` (c) `H_(3)PO_(2)` (d) `H_(3)PO_(3)` (e)

Last Answer : Number of acids having central atom in `+3` oxidation state among the following is (a) `HNO_(2)` (b) `HNO_(3)` (c ... (2)S_(2)O_(8)` (k) `H_(2)SO_(4)`

`N_(2)O_(4), (HPO_(2))_(2), H_(2)CO_(3), SO_(2), SO_(3), P_(4)O_(10) H_(2)SO_(4), N_(2)O_(3), HNO_(3), H_(3)PO_(3)`. (a) Among the above compounds, co

Description : `N_(2)O_(4), (HPO_(2))_(2), H_(2)CO_(3), SO_(2), SO_(3), P_(4)O_(10) H_(2)SO_(4), N_(2)O_(3), HNO_(3), H_(3)PO_(3)`. (a) Among the above compounds, co

Last Answer : `N_(2)O_(4), (HPO_(2))_(2), H_(2)CO_(3), SO_(2), SO_(3), P_(4)O_(10) H_(2)SO_(4), N_(2)O_(3 ... `d pi - p pi` bond are y. Given the answer as `x + y`

`HNO_(3)+P_(4)O_(10) to HPO_(3) + X` in the above reaction the product `X` is :

Description : `HNO_(3)+P_(4)O_(10) to HPO_(3) + X` in the above reaction the product `X` is :

Last Answer : `HNO_(3)+P_(4)O_(10) to HPO_(3) + X` in the above reaction the product `X` is : A. `NO_(2)` B. `N_(2)O_(3)` C. `N_(2)O_(4)` D. `N_(2)O_(5)`

iodine rects with connentrated `HNO_(3)` to yield Y along with other products , the oxidation state of iodine in Y , is :

Description : iodine rects with connentrated `HNO_(3)` to yield Y along with other products , the oxidation state of iodine in Y , is :

Last Answer : iodine rects with connentrated `HNO_(3)` to yield Y along with other products , the oxidation state of iodine in Y , is : A. 7 B. 3 C. 1 D. 5

Platinum metal (Pt) dissolves in aqua-regia but not in concentrated HCl ot `HNO_(3)` because

Description : Platinum metal (Pt) dissolves in aqua-regia but not in concentrated HCl ot `HNO_(3)` because

Last Answer : Platinum metal (Pt) dissolves in aqua-regia but not in concentrated HCl ot `HNO_(3)` because A. HCl ... (3)` together give `O_(2)` that oxidises Pt

The nitrogen containing compound produced in the reaction of `HNO_(3)` with `P_(4)O_(10)`

Description : The nitrogen containing compound produced in the reaction of `HNO_(3)` with `P_(4)O_(10)`

Last Answer : The nitrogen containing compound produced in the reaction of `HNO_(3)` with `P_(4)O_(10)` A. ... bond D. react with Na metal producing a brown gas

Which gas is evolved when `PbO_(2)` is treated with conc `HNO_(3)` ?

Description : Which gas is evolved when `PbO_(2)` is treated with conc `HNO_(3)` ?

Last Answer : Which gas is evolved when `PbO_(2)` is treated with conc `HNO_(3)` ? A. `NO_(2)` B. `O_(2)` C. `N_(2)` D. `N_(2)O`

Cold conc. `HNO_(3)` will completely dissolve: (i) Pb (ii) `Pb_(3)O_(4)` (iii) Fe (iv) Sn (v) Mg (vi) MgO (vii) Hg (viii) Au (ix) Ag (x) Pt

Description : Cold conc. `HNO_(3)` will completely dissolve: (i) Pb (ii) `Pb_(3)O_(4)` (iii) Fe (iv) Sn (v) Mg (vi) MgO (vii) Hg (viii) Au (ix) Ag (x) Pt

Last Answer : Cold conc. `HNO_(3)` will completely dissolve: (i) Pb (ii) `Pb_(3)O_(4)` (iii) Fe (iv) Sn (v) Mg (vi) MgO (vii) Hg (viii) Au (ix) Ag (x) Pt

Number of acids having central atom in `+3` oxidation state among the following is (a) `HNO_(2)` (b) `HNO_(3)` (c) `H_(3)PO_(2)` (d) `H_(3)PO_(3)` (e)

Description : Number of acids having central atom in `+3` oxidation state among the following is (a) `HNO_(2)` (b) `HNO_(3)` (c) `H_(3)PO_(2)` (d) `H_(3)PO_(3)` (e)

Last Answer : Number of acids having central atom in `+3` oxidation state among the following is (a) `HNO_(2)` (b) `HNO_(3)` (c ... (2)S_(2)O_(8)` (k) `H_(2)SO_(4)`

`N_(2)O_(4), (HPO_(2))_(2), H_(2)CO_(3), SO_(2), SO_(3), P_(4)O_(10) H_(2)SO_(4), N_(2)O_(3), HNO_(3), H_(3)PO_(3)`. (a) Among the above compounds, co

Description : `N_(2)O_(4), (HPO_(2))_(2), H_(2)CO_(3), SO_(2), SO_(3), P_(4)O_(10) H_(2)SO_(4), N_(2)O_(3), HNO_(3), H_(3)PO_(3)`. (a) Among the above compounds, co

Last Answer : `N_(2)O_(4), (HPO_(2))_(2), H_(2)CO_(3), SO_(2), SO_(3), P_(4)O_(10) H_(2)SO_(4), N_(2)O_(3 ... `d pi - p pi` bond are y. Given the answer as `x + y`

`HNO_(3)+P_(4)O_(10) to HPO_(3) + X` in the above reaction the product `X` is :

Description : `HNO_(3)+P_(4)O_(10) to HPO_(3) + X` in the above reaction the product `X` is :

Last Answer : `HNO_(3)+P_(4)O_(10) to HPO_(3) + X` in the above reaction the product `X` is : A. `NO_(2)` B. `N_(2)O_(3)` C. `N_(2)O_(4)` D. `N_(2)O_(5)`

When `HNO_(3)` is converted into `NH_(3)`, the equivalent weight of `HNO_(3)` will be:

Description : When `HNO_(3)` is converted into `NH_(3)`, the equivalent weight of `HNO_(3)` will be:

Last Answer : When `HNO_(3)` is converted into `NH_(3)`, the equivalent weight of `HNO_(3)` will be: A. M/2 B. M/1 C. M/6 D. M/8

One litre of a solution contains 18.9 g of `HNO_(3)` and one litre of another solution contains 3.2 g of NaOH. In what volume ratio must these solutio

Description : One litre of a solution contains 18.9 g of `HNO_(3)` and one litre of another solution contains 3.2 g of NaOH. In what volume ratio must these solutio

Last Answer : One litre of a solution contains 18.9 g of `HNO_(3)` and one litre of another solution contains 3.2 g of NaOH. In ... B. `8:3` C. `15:4` D. `4:15`

Sodium extract is heated with concentrated `HNO_(3)` before testing for halogens because :

Description : Sodium extract is heated with concentrated `HNO_(3)` before testing for halogens because :

Last Answer : Sodium extract is heated with concentrated `HNO_(3)` before testing for halogens because : A. Ag reacts ... )` and hence do not interfere in the test.

When a mixture containing phosphate is heated with conc. `HNO_(3)` and ammonium molybdated solution, a canary yellow precipitate is formed . The formu

Description : When a mixture containing phosphate is heated with conc. `HNO_(3)` and ammonium molybdated solution, a canary yellow precipitate is formed . The formu

Last Answer : When a mixture containing phosphate is heated with conc. `HNO_(3)` and ammonium molybdated solution, a canary yellow ... PO_(4). (NH_(4))_(2)MO_(4)`

In the nitration of benzene with a mixture of conc. `HNO_(3)` and conc. `H_(2)SO_(4)`, the active species involved is :

Description : In the nitration of benzene with a mixture of conc. `HNO_(3)` and conc. `H_(2)SO_(4)`, the active species involved is :

Last Answer : In the nitration of benzene with a mixture of conc. `HNO_(3)` and conc. `H_(2)SO_(4)`, ... ion B. nitrate ion C. nitronium ion D. nitrogen dioxide

`{:("Column" (I) , "Column"(II)), ((a) "Presence of halogen" , P. HNO_(3)//AgNO_(3)), ((b) "Presence of sulphur" , Q. Na_(2)[Fe(CN)_(5)NO]) , ((c) "Pr

Description : `{:("Column" (I) , "Column"(II)), ((a) "Presence of halogen" , P. HNO_(3)//AgNO_(3)), ((b) "Presence of sulphur" , Q. Na_(2)[Fe(CN)_(5)NO]) , ((c) "Pr

Last Answer : `{:("Column" (I) , "Column"(II)), ((a) "Presence of halogen" , P. HNO_(3)//AgNO_(3)), ((b) "Presence ... (d) "Presence of" P "and" S , S. FeCl_(3)):}`

Which of the following give nitrosonamine on treatment with `HNO_(2)`?

Description : Which of the following give nitrosonamine on treatment with `HNO_(2)`?

Last Answer : Which of the following give nitrosonamine on treatment with `HNO_(2)`? A. B. `H_(3)C-underset(CH_(3))underset(|)(CH)-CH_(2)-NH_(2)` C. D.

Which of the following compounds react with `HNO_(2)`?

Description : Which of the following compounds react with `HNO_(2)`?

Last Answer : Which of the following compounds react with `HNO_(2)`? A. B. C. D.

Which of the following compounds does not liberate `N_(2)` on treatement with `HNO_(2)`?

Description : Which of the following compounds does not liberate `N_(2)` on treatement with `HNO_(2)`?

Last Answer : Which of the following compounds does not liberate `N_(2)` on treatement with `HNO_(2)`? A. `H_(3)C- ... `H_(3)C-underset(H)underset(|)(N)-CO_(3)`

Phenol `underset("distillation")overset("Zinc")(rarr)(A)underset("conc."HNO_(3) "at 333K")overset("conc." HNO_(3))(rarr)(B)underset("NaOH")overset(Zn)

Description : Phenol `underset("distillation")overset("Zinc")(rarr)(A)underset("conc."HNO_(3) "at 333K")overset("conc." HNO_(3))(rarr)(B)underset("NaOH")overset(Zn)

Last Answer : Phenol `underset("distillation")overset("Zinc")(rarr)(A)underset("conc."HNO_(3) "at 333K" ... -nitroaniline D. toluene, m-nitrobenzene and m-toulidine

`"phenol" overset(conc.H_(2)SO_(4))rarrA overset(conc.HNO_(3))rarrB` Here A and B are respectively.

Description : `"phenol" overset(conc.H_(2)SO_(4))rarrA overset(conc.HNO_(3))rarrB` Here A and B are respectively.

Last Answer : `"phenol" overset(conc.H_(2)SO_(4))rarrA overset(conc.HNO_(3))rarrB` Here A and B ... 4-dinitrophenol D. 3-Hydroxybenzene sulphonic acid, picric acid

Phenol on treatment with conc. `HNO_(3)` gives

Description : Phenol on treatment with conc. `HNO_(3)` gives

Last Answer : Phenol on treatment with conc. `HNO_(3)` gives A. picric acid B. o-and m-nitrophenols C. cresol D. resorcinol

Anisole with conc. `HNO_(3)` and conc. `H_(2)SO_(4)` gives

Description : Anisole with conc. `HNO_(3)` and conc. `H_(2)SO_(4)` gives

Last Answer : Anisole with conc. `HNO_(3)` and conc. `H_(2)SO_(4)` gives A. Phenol B. Nitrobenzene C. O - and - P - Nitroanisole D. O- Nitroanisole

Among the following the number of compounds that can act as dehydrating agent are …… `Conc. H_(2)SO_(4),"Anhyd". CaCl_(2),Conc. HNO_(3), CaO, CuSO_(4)

Description : Among the following the number of compounds that can act as dehydrating agent are …… `Conc. H_(2)SO_(4),"Anhyd". CaCl_(2),Conc. HNO_(3), CaO, CuSO_(4)

Last Answer : Among the following the number of compounds that can act as dehydrating agent are `Conc. H_(2)SO_(4),"Anhyd" ... CaO, CuSO_(4).5H_(2)O, P_(2)O_(5)`

Can you recommend any shoes that are specifically designed for long periods of standing still?

Description : Can you recommend any shoes that are specifically designed for long periods of standing still?

Last Answer : Merrell, they make running and hiking shoes/boots but also make walking/casual shoes. Known for good traction and comfort.

What are the origins of some of the more popular long standing jokes?

Description : What are the origins of some of the more popular long standing jokes?

Last Answer : To escape the Nazis.

Is your old school still standing or long since gone?

Description : Is your old school still standing or long since gone?

Last Answer : My high school has been standing for over 100 years.