Description : Activity of cytochrome oxidase is inhibited by (A) Sulphite (B) Sulphate (C) Arsenite (D) Cyanide
Last Answer : Answer : D
Description : `50 mL` of `0.1 M` solution of a salt reacted with `25 mL` of `0.1 M` solution of sodium sulphite. The half reaction for the oxidation of sulphite ion
Last Answer : `50 mL` of `0.1 M` solution of a salt reacted with `25 mL` of `0.1 M` solution of sodium ... was `3`, what would be the new oxidation number of metal:
Description : Doctor's solution used for sweetening of petroleum products is (A) Sodium plumbite (B) Sodium sulphite (C) Sodium thiosulphate (D) Lead sulphate
Last Answer : (A) Sodium plumbite
Description : Cooking liquor in case of sulphite process is (A) Sodium sulphite and sodium bisulphite (B) Magnesium sulphite and free SO2 in acid medium (C) Magnesium sulphate and magnesium bicarbonate (D) None of these
Last Answer : (A) Sodium sulphite and sodium bisulphite
Description : Which of the following solutions will exactly oxidize `25mL` of an acid solution of `0.1 M Fe` (`II`) oxalate?
Last Answer : Which of the following solutions will exactly oxidize `25mL` of an acid solution of `0.1 M Fe` (`II`) oxalate? A. ... 4)` D. 15 mL of 0.1 M `KMnO_(4)`
Description : Acetaldehyde on reaction with sodium hydrogen sulphite produces
Last Answer : Acetaldehyde on reaction with sodium hydrogen sulphite produces A. B. C. D.
Description : Washing soda is - (1) sodium sulphite (2) sodium bicarbonate (3) sodiun carbonate (4) sodium biosulphite
Last Answer : (3) sodiun carbonate Explanation: Sodium carbonate (also known as washing soda, soda ash and soda crystals, and in the monohydrate form as crystal carbonate), Na2CO3, is the water-soluble sodium salt of carbonic acid.
Description : Corrosion in boilers can be prevented by (A) Deaeration of feed water (B) Enhancing pH of feed water by adding alkali (C) Feeding sodium sulphite or hydrazine phosphate to the boilers, which combines with oxygen and prevents corrosion (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : Chemical name of Grignard reagent is (A) Sodium thiosulphate (B) Ethyl magnesium chloride (C) Sodium sulphite (D) Sodium bicarbonate
Last Answer : (B) Ethyl magnesium chloride
Description : In Kraft process of paper manufacture, white cooking liquor consists of caustic soda (A) Sodium sulphide & sodium carbonate (B) Sodium sulphite & sodium carbonate (C) Sodium sulphite & sodium sulphide (D) None of these
Last Answer : (A) Sodium sulphide & sodium carbonate
Description : The most commonly used chemical for de-chlorination of water, is (A) Sodium thiosulphate (B) Sodium bisulphate (C) Sodium sulphite (D) Sulphur-dioxide
Last Answer : (C) Sodium sulphite
Description : Organic compound (A), C4H8O, does not react with sodium or PCl5. However, it reduces an alkaline solution of a copper (II) salt on heating. Compound (A) could be (a) an aldehyde (b) a primary alcohol (c) a ketone (d) a secondary alcohol
Last Answer : an aldehyde
Description : Viscose rayon (A) Cannot be made from sulphite pulp (B) Utilises H2SO4 , NaOH and CS2 during its manufacture (C) Cannot yield textile grade fibre (D) None of these
Last Answer : (B) Utilises H2SO4 , NaOH and CS2 during its manufacture
Description : Ethyl alcohol cannot be produced (A) From waste sulphite substrate of paper mills (B) By Esterification and hydrolysis of ethylene (C) From molasses (D) None of these
Last Answer : (D) None of these
Description : Implied admission in written statement cannot be allowed to be withdrawn. However, the plaintiff can be insisted upon to prove his case a) Uttam Chand Kothari Vs. Gauri Shankar Jalan. b) Jai Shankar Prasar Vs. State of Bhihar c) Afzauddin Ansary Vs. State of West Bengal d) None of these
Last Answer : a) Uttam Chand Kothari Vs. Gauri Shankar Jalan.
Description : s passed through the solution of sodium zincate? -Do You Know?
Last Answer : answer:
Description : Which is obtained, when H2S is passed through the solution of sodium zincate?
Last Answer : ZnS
Description : A metal carbonate X on reacting with an acid gives a gas which when passed through a solution Y gives carbonate back..Identify X and Y. (a) X is sodium carbonate and Y is Sodium hydroxide (b) X ... Y is calcium hydroxide (c ) X is Potassium carbonate and Y is Potassium hydroxide. (d) None of above
Last Answer : (b) X is Calcium carbonate and Y is calcium hydroxide
Description : Pick out the wrong statement. (A) Kraft method of pulp manufacture can process all types of fibrous raw materials (B) Digestion time for bagasse is less than that for wood base materials (C) Both ... in case of the sulphite method as compared to that in the sulphate method (D) None of these
Description : How do you store pennies so they don't oxidize?
Last Answer : Need answer
Description : A specific inhibitor for succinate dehydrogenase is (A) Arsenite (B) Malonate (C) Citrate (D) Fluoride
Last Answer : Answer : B
Description : A specific inhibitor for succinate dehydrogenase is (A) Arsenine (B) Arsenite (C) Citrate (D) Fluoride ENZYMES 147
Description : Formation of succinyl-CoA from α-Ketoglutarate is inhibited by (A) Fluoroacetate (B) Arsenite (C) Fluoride (D) Iodoacetate
Description : What does it mean to oxidize a compound ?
Last Answer : Corrosion means an increase in the number of positive charges. An element leaves an electron and turns into a positive charge Through this the element is oxidized For example: Na - e → Na + Here Na leaves an electron and turns into a sodium ion. So it can be said that it has been oxidized.
Description : In which process does oxygen used to oxidize glucose enter the cell during respiration ?
Last Answer : Answer : Oxygen used in oxidation of glucose during cell respiration enters the cell in the process of diffusion.
Description : By which of the following methods can CH3CONH2 be converted to CH3CN? (a) Oxidize with Na2Cr2O7/H+ (b) Heat with concentrated sulfuric acid (c) Heat to 200°C (d) Warm with P2O5
Last Answer : Warm with P2O5
Description : Which of the following reagents can be used to oxidize 1° alcohols to aldehydes? (a) KMnO4 (b) MnO2 (c) K2Cr2O7 (d) PCC
Last Answer : PCC
Description : Wave length of X-rays is about 1 angstrom; however it cannot pass through a sheet of (A) Paper (B) Cloth (C) Lead (D) Aluminium
Last Answer : Option C
Description : What product is formed when electricity is passed throughan aqueous solution of sodium chloride? (1) Sodium and water (2) Sodium oxide (3) Sodium and chlorine (4) Sodium hydroxide
Last Answer : (4) Sodium hydroxide Explanation: When electricity is passed through an aqueous solution of sodium chloride, it gives hydrogen, chlorine and sodium hydroxide as a product.
Description : Suppose you want to send in the mail a valuable object to a friend. You have a box which is big enough to hold the object. The box has a locking ring which is large enough to have a lock attached ... you send the valuable object, locked, to your friend - so it may be opened by your friend? -Riddles
Last Answer : Send the box with a lock attached and locked. Your friend attaches his or her own lock and sends the box back to you. You remove your lock and send it back to your friend. Your friend may then remove the lock she or he put on and open the box.
Description : In the case of Plessy v. Ferguson, the Supreme Court ruled that separate but equal facilities were constitutional; however, this ruling was overturned by other Supreme Court cases and segregation was found to be unconstitutional.?
Last Answer : 1
Description : I reloaded my Nobilis Laptop, it has XP Pro. However, the drivers I need I cannot find for the pci device network contrller video controller and video controller VGA compatible?
Last Answer : answer:Actually, the model is n4018. Your best bet is the manufacturer’s support site
Description : All thermoplastic, thermosetting & elastic materials can be processed in a extrusion machine, however it cannot be used for the production of plastic (A) Filaments (B) Pipes (C) Buckets (D) Tubings
Last Answer : (C) Buckets
Description : Which of the following diseases is associated with decreased levels of dopamine due to destruction of pigmented neuronal cells in the substantia nigra in the basal ganglia of the brain? a) ... of the central nervous system characterized by spongiform degeneration of the gray matter of the brain.
Last Answer : a) Parkinson’s disease In some patients, Parkinson’s disease can be controlled; however, it cannot be cured.
Description : EQ or IQ - or both. What is your opinion on the importance of them?
Last Answer : answer:As far as getting the job done .IQ all the way. The greater the ability to problem solve and handle tasks old or new, the greater the value to that company that gives them a paycheck.. EQ will be ... -workers or be a total PITA to every one at work and as Donald Trump would say . Your fired!
Description : Is there an authoritative or at least credible source that indicates how many tons CO2-eq reduction can be attributed to the Kyoto Protocol when it is complete?
Last Answer : I'm not sure if there are any independent studies on it, but the general consensus by Scientists worldwide (including many hundreds or thousands not involved in it) is that it will lower our overall CO2 ... pretty moot point. We'll be out of most fossil fuels LONG before we totally kill our planet.
Description : In figure, ABCDE is any pentagon. BP drawn parallel to AC meets DC produced at P and EQ drawn parallel to AD meets CD produced at Q. -Maths 9th
Last Answer : Given ABCDE is a pentagon. BP || AC and EQ|| AD. To prove ar (ABCDE) = ar (APQ) Proof We know that, triangles on the same base and between the same parallels are equal in area. Here, ΔADQ and ΔADE lie on the ... ar (ΔACD) = ar (ΔADE) + ar (ΔACB) + ar (ΔACD) ⇒ ar (ΔAPQ) = ar (ABCDE) Hence proved.
Description : In Fig. 9.30, ABCDE is any pentagon. BP drawn parallel to AC meets DC produced at P and EQ drawn parallel to AD meets CD produced at Q. Prove that ar (ABCDE) = ar(APQ). -Maths 9th
Last Answer : hope its clearhope its clear
Description : For the reaction `2CI F_(3)(g) harr CI_(2)(g) +3F_(2)(g) log K_(eq) vs (1)/(T)` (where temperature is in K) curve is obtained as given. Which of the f
Last Answer : For the reaction `2CI F_(3)(g) harr CI_(2)(g) +3F_(2)(g) log K_(eq) vs (1)/(T)` ( ... catalyst at equilibrium D. Removal of `F_(2)(g)` at equilibrium
Description : `CH_(2)=CH-CH_(2)-CH_(2)-C-=CH underset((1 eq))overset(HBr)to ` Product is
Last Answer : `CH_(2)=CH-CH_(2)-CH_(2)-C-=CH underset((1 eq))overset(HBr)to ` Product is A. `BrCH_(2)-CH_(2)- ... (3)-underset(Br)underset(|)CH-CH_(2)-CH_(2)-C-=CH`
Description : In the reaction `VO+Fe_(2)O_(3) rarr FeO+V_(2)O_(5)`, the eq.wt. of `V_(2)O_(5)` is equal to its
Last Answer : In the reaction `VO+Fe_(2)O_(3) rarr FeO+V_(2)O_(5)`, the eq.wt. of `V_(2)O_(5)` is equal to its A. ... wt. B. Mol.wt./8 C. Mol.wt./6 D. None of these
Description : The eq. wt. of `Na_(2)S_(2)O_(3)` as reductant in the reaction, `Na_(2)S_(2)O_(3)+H_(2)O+Cl_(2)rarrNa_(2)SO_(4)+2HCl+S` is :
Last Answer : The eq. wt. of `Na_(2)S_(2)O_(3)` as reductant in the reaction, `Na_(2)S_(2)O_(3)+H_(2)O+Cl_(2)rarrNa_(2) ... wt.)/2 C. (Mol. wt.)/6 D. (Mol. wt.)/8
Description : `Cr_(2)O_(7)^(2-)overset(H^(+))rarrCr^(3+)`, Eq. wt. of `Cr_(2)O_(7)^(2-)` is :-
Last Answer : `Cr_(2)O_(7)^(2-)overset(H^(+))rarrCr^(3+)`, Eq. wt. of `Cr_(2)O_(7)^(2-)` is :-
Description : `AB` is a wire of uniform resistance. The galvanometer `G` shows no deflection when the length `AC = 20 cm` and `CB = 80 cm`. The resistance `R` is eq
Last Answer : `AB` is a wire of uniform resistance. The galvanometer `G` shows no deflection when the length `AC = 20 cm ... ` B. `8Omega` C. `20Omega` D. `40Omega`
Description : EQ-24 what should you do with a torn PFD?
Last Answer : Discard and replace it- do not attempt to fix it