°API gravity of water at N.T.P. is about__________________?

A. 0
B. 1
C. 10
D. 100

In a binary liquid solution of components „A‟ and „B‟, if component „A‟ exhibits positive deviation from Raoult’s law, then component „B‟ ?

A. Exhibits positive deviation from Raoult’s law
B. Exhibits negative deviation from Raoult’s law
C. Obeys Raoult’s law
D. May exhibit either positive or negative deviation from Raoult’s law

Ceramic recuperators used for waste heat recovery from high temperature flue gas going out of the furnace is made of ________________?

A. Fireclay
B. Silicon carbide
C. Corundum
D. Siliceous fireclay

Which of the following is an exothermic reaction ?

A. Conversion of graphite to diamond
B. Decomposition of water
C. Dehydrogenation of ethane to ethylene
D. None of these

Which of the following gases is the most soluble in water ?

A. NH3
B. CO2
C. H2S
D. CH4

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

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

A solution is made by dissolving 1 kilo mole of solute in 2000 kg of solvent. The molality of the solution is_________________?

A. 2
B. 1
C. 0.5
D. 0.05

A solution with reasonably permanent pH is called a/an _______________ solution?

A. Ideal
B. Non-ideal
C. Buffer
D. Colloidal

If 1.5 moles of oxygen combines with aluminium to form Al2O3, then the weight of aluminium (atomic weight = 27) used in this reaction is __________ gm?

A. 27
B. 54
C. 5.4
D. 2.7

Kopp’s rule is concerned with the calculation of__________________?

A. Thermal conductivity
B. Heat capacity
C. Viscosity
D. Surface tension