Which of the halogen has highest electronegativity ?
Which of the halogen has highest electronegativity ?
A. Fluorine
B. Chlorine
C. Bromine
D. Iodine
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Which one of the following is also known as lactic acid ?
Which one of the following is also known as lactic acid ?A. 3-Hydroxy propanoic acid
B. 2-Hydroxy propanoic acid
C. 2-hydroxy butanoic acid
D. 3-hydroxy butanoic acidThe important function of burning zone in the rotary kilm is __________________?
The important function of burning zone in the rotary kilm is __________________?A. to dry the moisture of slurry
B. to decompose lime stone to unslaked lime
C. combination of different oxides like CaO SiO2 Fe2O3 and Al2O3
D. to reduce the impuritiesAlkanes are also known as________________?
Alkanes are also known as________________?A. saturated hydrocarbon
B. unsaturated hydrocarbon
C. paraffins
D. both A & CRate expression for ammonia synthesis is___________________?
Rate expression for ammonia synthesis is___________________?A. Kc=x2/(a-x)(b-x)
B. Kc=x2/v(a-x)
C. Kc=4×2/(a-2x)2(b-x)
D. Kc=4x2v2/(a-x)(b-3x)3Which specie has unpaired electrons in antibonding molecular orbitals_______________?
Which specie has unpaired electrons in antibonding molecular orbitals_______________?A. O2+2
B. N2-2
C. B2
D. O2-2Phenol was isolated by Runge from________________?
Phenol was isolated by Runge from________________?A. vegetable oil
B. coaltar
C. wood
D. none of these