The specific charge of a charged body in motion
A.increases
B.decreases
C.remains constant
D.increases for positively charged bodies and decreases for negatively charged bodies
Category: Chemical Engineering Mcqs
To induce fusion the temperature of reacting substances must be raised to millions of degrees so that
A.the substance may burn more violently
B.the base nuclei may possess sufficient kinetic energy to overcome their mutual electrostatic repulsion and thus they may come in bodily contact with other nuclei
C.fusion of atoms may take place at a faster rate
D.thermoelectric effect may be increased
Specific heat of acqueous solutions in general
A.increases with increasing concentration
B.decreases with increasing concentration
C.remains unaffected with change in concentration of solute
Atomic size is of the order of
A.10-12 cm
B.10-10 cm
C.10-8 cm
D.10-6 cm
Phosphate rock constitutes mainly of
A.calcium phosphate
B.calcium fluoride
C.fluorapatite
D.ammonium phosphate
Boyles law for an ideal gas deals with the relationship between
A.mass and volume at constant temperature
B.pressure and volume at constant temperature
C.volume and temperature at constant pressure
D.pressure and temperature at constant volume
Nitrolime is
A.colcium cyanamide
B.calcium ammonium nitrate
C.a mixture of urea and ammonium nitrate
D.a mixture of ammonium nitrate and ammonium chloride
In an oxidation process
A.oxidation number decreases
B.number of electrons decreases
C.oxygen content decreases
D.number of ions decreases
The reaction between organic material and oxygen is
A.an endothermic reaction
B.an exothermic reaction
C.a photochemical reaction
D.a biochemical reaction
An electrovalent compound is made up of
A.neutral atoms
B.electrically charged atoms or groups of atoms
C.electrically charged molecules
D.neutral molecules
