Phenol was isolated by Runge from________________?
Phenol was isolated by Runge from________________?
A. vegetable oil
B. coaltar
C. wood
D. none of these
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The reciprocal of the coefficent of viscosity is called__________?
The reciprocal of the coefficent of viscosity is called__________?A. Density
B. Specific gravity
C. Fluidity
D. AbsorbanceEnzynies that catalyze the transfer of groups within molecule are called_________________?
Enzynies that catalyze the transfer of groups within molecule are called_________________?A. Isomerases
B. Lyases
C. Transferases
D. LigasesIn Galvanic cell electrons flow from anode to cathode through__________________?
In Galvanic cell electrons flow from anode to cathode through__________________?A. external electric circuit
B. salt bridge
C. movement of ions
D. all of the aboveWhich one is a conductor but is not malleable ?
Which one is a conductor but is not malleable ?A. Iron
B. Graphite
C. Silver
D. PlatinumReplacement of hydrogen of benzene by alkyl group in the presence of alkyl halide & aluminum chloride is known as__________________?
Replacement of hydrogen of benzene by alkyl group in the presence of alkyl halide & aluminum chloride is known as__________________?A. Dows process
B. Friedel & Craft acylation
C. Friedel & Craft alkylation
D. Clemmenson reductionIf 1/V is plotted on X-axis and pressure on Y-axis at constant temperature what should appear ________________?
If 1/V is plotted on X-axis and pressure on Y-axis at constant temperature what should appear ________________?A. Straight line parallel to x-axis
B. Straight line parallel to y-axis
C. Straight line
D. Curve