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

Related Mcqs:

1. If an ideal solution is formed by mixing two pure liquids in any proportion, then the ___________________ of mixing is zero?

   A. Enthalpy
   B. Volume
   C. Both A. & B.
   D. Neither A nor B

2. Which of the following holds good for a solution obeying Raoult’s law (i.e., an ideal solution) (where, ΔH = heat of mixing, and ΔV = volume change on mixing) ?

   A. ΔH = 1 (+ ve) and Δ V = -ve
   B. ΔH = 0
   C. ΔV = 0
   D. Both B. and C.

3. Basicity [%Cao + %MgO + %SiO2) of the slag in Indian blast furnace is in the range of___________________?

   A. 0.7-1.0
   B. 1.1-1.4
   C. 1.5 – 1.8
   D. 2.0 – 2.5

4. _____________ kg of CaC03 on heating will give 56 kg of CaO?

   A. 56
   B. 100
   C. 144
   D. 1000

5. In which of the following case of mixing of a strong acid with strong base (each of 1N concentration), temperature increase will be the highest ?

   A. 30 c.c acid and 30 c.c base
   B. 20 c.c acid and 25 c.c base
   C. 15 c.c acid and 35 c.c base
   D. 35 c.c acid and 15 c.c base

6. Gibbs free energy of mixing at constant pressure and temperature is always__________________?

   A. 0
   B. ∞
   C. + ve
   D. – ve

7. Free energy change of mixing two liquid substances is a function of the__________________?

   A. Concentration of the constituents only
   B. Quantities of the constituents only
   C. Temperature only
   D. All A, B. and C

8. Those solutions in which there is no volume change upon mixing the components in the liquid state and which, when diluted do not undergo any heat change (i.e. heat of dilution is zero), are called ____________ solutions?

   A. Ideal
   B. Real
   C. Isotonic
   D. None of these

9. Entropy change of mixing two liquid substances depends upon the_________________?

   A. Molar concentration
   B. Quantity (i.e. number of moles)
   C. Both A. and B
   D. Neither A. nor B

10. The chemical potential of a component (μi) of a phase is the amount by which its capacity for doing all work, barring work of expansion is increased per unit amount of substance added for an infinitesimal addition at constant temperature and pressure. It is given by_________________?

    A. (∂E/∂ni)S, v, nj
    B. (∂G/∂ni)T, P, nj = (∂A/∂ni) T, v, nj
    C. (∂H/∂ni)S, P, nj
    D. All (A), B. and (C)