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Question	Category
Galvanized iron heating is protected form rusting because it has a coating of	Chemistry
The metal that is extracted from sea water is	Chemistry
Mg is an important component of which biomolecule occurring extensively in living world	Chemistry
Which of the following fluxes is used to remove acidic impurities in metallurgical process	Chemistry
Among the alkaline earth metals the element forming predominantly covalent compounds is	Chemistry
Which of the following substances can be used for drying gases	Chemistry
Common salt (Sodium Chloride) when kept open absorbs moisture from air. This is due to the presence of	Chemistry
Which of the following is not a noble gas?	Chemistry
Carbon monoxide is readily absorbed by...........	Chemistry
Cyanide Process is widely used to extract.....	Chemistry
Which among the following element is stored under water?	Chemistry
Which one of the following metals has the highest density?	Chemistry
Which among the following elements is stored in kerosene?	Chemistry
Octane number of petroleum can be increased by.........	Chemistry
Which of the following is a thermo setting plastic?	Chemistry
Which of the following is non-radioactive?	Chemistry
Bond order of a molecule can be at the maximum of......	Chemistry
Global warming is due to increased production of all the following, except	Chemistry
Amalgam is an alloy in which one of the compound is.......	Chemistry
Which gas comes in third position in volume in atmosphere after Nitrogen & Oxygen?	Chemistry
White phosphorus is stored under.......	Chemistry
In the system A+B = C+D, the initial concentrations of A, B, C and D are 1mole/lit each . If Kc value is 4 , then the percentage of degree of dissociation is	Chemistry
For the equilibrium A + B = C + D ,The initial concentration of A is twice that of B . After equilibrium is reached the concentration of C was thrice that of B. Then Kc value is	Chemistry
154. If 340 gm of a mixture of N2 and H2 in the correct ratio gave 20% yield of NH3 ,then the number of moles of NH3 produced would be	Chemistry
The equilibrium 2A(g)+ B(g)= 3C+D(g) was studied with 2moles of A and 2moles of B. The following is true, when equilibrium is reached	Chemistry
A(g) +2B(g)= 2C(g)+D(g) was studied using an initial concentration of B which was 1.5 times that of A. But the equilibrium concentration of A and B were found to equal. Then Kc for the equilibrium is	Chemistry
One mole of N2H4(g) at 300k is kept is a closed container under 1atm . It is heated to 600k, upon which 20% by mass of N2O4 (g) decomposes to NO2(g). Then the resultant pressure is	Chemistry
XY2(g)= XY(g) +Y(g). The initial pressure of XY2 is 600mm of Hg. Then total pressure developed at equilibrium is 800mm of Hg. Then Kp for the reaction is	Chemistry
For a reaction AB(g)= A(g) +B(g) is 20% dissociated at a total pressure of P. Then	Chemistry
Kc for CO(g) +H2O(g)= CO2(g) +H2(g) is 4 at 1000k when equimolar mixtures of CO and H2O are heated to 1000 k .The percentage of CO2 formed at equilibrium is	Chemistry
The equilibrium constants for the following reactions at 1400k are given below. 2H2O(g)= 2H2(g) +O2(g) ; k1=4x10^(-12) 2CO2(g)= 2CO(g) +O2(g) ; k2=16x10^(-12) Then the equilibrium constant (K) for the reaction H2(g) +CO2(g)= CO(g) +H2O(g) is.	Chemistry
Electrolysis can be brought about using	Chemistry
144. During electrolysis’s , anode is __(1)__ and there takes place __(2)__ at anode. (1) and (2)are	Chemistry
A drop of methyl orange during and after the electrolysis of the following can give Red colour.	Chemistry
To completely electrolyze 1 mole of water how many e- should be flown during the electrolysis of acidulated water	Chemistry
CdS is a	Chemistry
C(s) + CO2(g) 2CO –(delta H). As per Lechatelier principle to shift equilibrium in favour of CO.	Chemistry
N2 + 3H2 = 2NH3 + Heat. Addition of Inert gas shifts the equilibrium at constant pressure choose correct statements. A : Inert gas used here ,need not belong to ‘0’ group in periodic table. B : Addition of inert gas in creases energy released so equilibrium shifts to left. C : Inert gas leads to significant decrease in partial pressures of N2& H2 put together so equilibrium shifts to left	Chemistry
CH3COOC2H5 + H2O = CH3COOH + C2H5OH. To shift the equilibrium to left.	Chemistry
True statements from A) Lechatelier principle predicts the effect of temperature pressure, concentration on equilibria both Qualitatively & Quantitatively B) Lechatelier’s principle is applicable to physical , chemical – Homogeneous, chemical heterogeneous equilibria. C) Lecahtlier’s principle predicts effect of T, P , Concentration on equilibria only Qualitatively.	Chemistry
The highest stable oxidation state is exhibited by	Chemistry
The halogen which absorbs the visible radiation of highest frequency	Chemistry
Read the following statement. A: Among halogens, heat of dissociation is lowest for F2. B: The standard reduction potentials are in the order : F>Cl> Br >I C: Fluorine displaces all other halogens from the aqueous solution of the halides. Correct statements are	Chemistry
Assertion A: Fluorine is the best oxidising agent among halogens. Reason R: The hydration energy of fluoride ion is the highest among that of halide ions.	Chemistry
131. The correct order of electron affinity among the following is?	Chemistry
Correct statement is	Chemistry
In the use of Hypo as anticulor the following change takes place.	Chemistry
The oxidation state of Argento thiosullphate ion	Chemistry
127. In the Estimation of Iodine by volumetric Analysis the oxidation state of hypo changes by ---------units	Chemistry
Reagents used for the manufacture of Hypo are	Chemistry

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