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Stoichiometry Quiz 4

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Stoichiometry Quiz 4

1 / 50

pH value of H2SO4 (5% concentration) is___________?

2 / 50

Kopp?s rule is helpful in finding the___________?

3 / 50

Osmotic pressure exerted by a solution prepared by dissolving one gram mole of a solute in 22.4 litres of a solvent at 0?C will be ________ atmosphere?

4 / 50

pH value of a solution containing equal concentration of hydroxyl and hydrogen ions will be__________?

5 / 50

No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules______?

6 / 50

pH value of a solution containing 1 gm of hydrogen ion per litre will be ______?

7 / 50

Kinetic theory of gases stipulates that, the______?

8 / 50

Othmer chart is useful in estimating the heat of________?

9 / 50

Panel test determines the _______ of refractories?

10 / 50

One mole of methane undergoes complete combustion in a stoichiometric amount of air. The reaction proceeds as CH4 + 2O2 ? CO2 + 2H2O. Both the reactants and products are in gas phase. ?H?298 = ? 730 kJ/mole of methane. Mole fraction of water vapour in the product gases is about_______?

11 / 50

Measurement of the amount of dry gas collected over water from volume of moist gas is based on the_____?

12 / 50

Number of gm moles of solute dissolved in one liter of a solution is called its______?

13 / 50

Outer combustion chamber of blast furnace stove is lined with ________ bricks?

14 / 50

Isotonic solutions must have the same___________?

15 / 50

In panel test for spalling resistance, the average face temperature of panel assembly is maintained at ______ ?C for 24 hours?

16 / 50

One kg of saturated steam at 100?C and 1.01325 bar is contained in a rigid walled vessel. It lias a volume of 1.673 m3. It cools to 98?C; the saturation pressure is 0.943 bar ; one kg of water vapour under these conditions has a volume of 1.789 m3. The latent heat of condensation (kJ/kg-1 ) under these conditions is_____?

17 / 50

Magnesite refractories are used for the construction of those furnaces, which are________?

18 / 50

Percentage saturation of a vapor bearing gas is always ______ the relative saturation?

19 / 50

On mixing 56 gm of CaO with 63 gm of HNO3, the amount of Ca(NO3)2 formed is _______ gm?

20 / 50

Increasing the temperature of an aqueous solution will cause decrease in its_________?

21 / 50

Maximum alumina content in high alumina refractory can be as high as _____ percent?

22 / 50

Number of gm moles of solute dissolved in 1 kg of solvent is called its_____?

23 / 50

Kopp?s rule is concerned with the calculation of___________?

24 / 50

N.T.P. corresponds to___________?

25 / 50

Kinematic viscosity of 1 m2 /second is equivalent to ______ stokes?

26 / 50

Isotopes are atoms having the same _______?

27 / 50

Pick out the correct statement ?

28 / 50

Internal energy is independent of the _____ for an ideal gas?

29 / 50

In physical adsorption, as compared to chemisorption, the__________?

30 / 50

Methane is mixed with stoichiometric proportion of oxygen and completely combusted. The number of additional specifications required to determine the product flow rate and composition is________?

31 / 50

Na2SO4. 10H2O crystals are formed by cooling 100 Kg of 30% by weight aqueous solution of Na2SO4. The final concentration of the solute in the solution is 10%. The weight of crystals is_________?

32 / 50

Osmotic pressure of the solution can be increased by__________?

33 / 50

N2 content in a urea sample was found to be only 42%. What is the actual urea content of the sample? (Molecular weight of urea = 60) ?

34 / 50

Internal energy of a substance comprises of the ______ energy?

35 / 50

Lower wall courses of soaking pits are made of ______ bricks to avoid the action of molten slag & scale?

36 / 50

Kopp?s rule is useful for the determination of_______?

37 / 50

One ?Therm? is equivalent to_____?

38 / 50

Normality of a solution does not change with the increase in the ___________?

39 / 50

Osmotic pressure of a dilute solution of a non volatile solute in a solvent obeying Raoult?s law is proportional to the______?

40 / 50

Number of gram equivalent of solute dissolved in one litre of solution is called its_____?

41 / 50

In the reaction, represented by Na2CO3 + HC1 ? NaHO3 + NaCl, the equivalent weight of Na2CO3 is_________?

42 / 50

Pick out the correct statement ?

43 / 50

One micron is equal to ______ cm?

44 / 50

Molar heat capacity of water in equilibrium with ice at constant pressure is_______?

45 / 50

Magnesite refractories are generally not used in the___________?

46 / 50

Permeability of bricks is a measure of the_____?

47 / 50

One Newton is equal to _______ dynes?

48 / 50

Pick out the correct conversion?

49 / 50

Molality is defined as the number of gm moles of solute per ______ of solvent?

50 / 50

One of the specific gravity scales is ?Brix? (used specifically for sugar solution). It is defined as _______?

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