A. 0.7-1.0
B. 1.1-1.4
C. 1.5 – 1.8
D. 2.0 – 2.5
Related Mcqs:
- On mixing 56 gm of CaO with 63 gm of HNO3, the amount of Ca(NO3)2 formed is ______________ gm?
A. 82
B. 164
C. 41
D. 8.2 - The main reducing agent in iron blast furnace is____________________?
A. Carbon dioxide
B. Carbon monoxide
C. Oxygen
D. Air - Waste/polluted water discharged from electroplating, blast furnace and coal mining industries contain mainly _____________ substances?
A. Radioactive
B. Organic
C. Inorganic
D. None of these - Major sources of noise in furnace operation arises from air inspirators, combustion, side wall vibrations and fluctuation in the process heat load. A 50% increase in fuel firing rate may increase the furnace noise level by about ____________ decibels?
A. 3
B. 30
C. 7
D. 70 - Kopp’s rule is used to calculate the heat capacity of___________________?
A. Solids
B. Liquids
C. Gases
D. All (A), B. & (C) - The enthalpy change when ammonia gas is dissolved in water is called the heat of___________________?
A. Solution
B. Formation
C. Dilution
D. Combustion - Entropy change of the reaction, H2O (liquid) → H2O (gas), is termed as the enthalpy of___________________?
A. Solution
B. Vaporisation
C. Formation
D. Sublimation - Mollier diagram is a plot of___________________?
A. Temperature vs. enthalpy
B. Temperature vs. enthalpy
C. Entropy vs. enthalpy
D. Temperature vs. internal energy - The most convenient way of expressing solution concentration is in terms of___________________?
A. Mole fraction
B. Normality
C. Molality
D. Molarity - “The heat capacity of a solid compound is approximately equal to the sum of the heat capacities of the constituent elements.” This is the statement of___________________?
A. Law of Petit and Dulong
B. Kopp’s rule
C. Nernst heat theorem
D. Trouton’s rule
