The catalyst used in the manufacture of H₂SO₄ by contact process is
Options
(a) V₂O₃ (b) V₂O₅ (c) FeO (d) Cu
Correct Answer:
FeO
Explanation:
No explanation available. Be the first to write […]
The turbidity of a polymer solution measures the
Options
(a) light absorbed by the solution (b) light transmitted by the solution (c) light scattered by the solution (d) all of these
Correct Answer: […]
Electrophoresis is the movement of colloidal particles under the effect of
Options
(a) light (b) gravity (c) magnetic field (d) electric field
Correct Answer:
electric field
Explanation:
No explanation available. Be […]
Lyophilic colloids are stable due to
Options
(a) small size of the particle (b) large size of particle (c) charge on the particle (d) layer of dispersion medium on the particles
Correct Answer: […]
In the manufacture of sulphuric acid by contact process, Tyndall box is used to
Options
(a) filter dust particles (b) remove impurities (c) convert SO₂ to SO₃ (d) test the presence of dust […]
When a common salt is added to the saponified product of oil, the soap is thrown out because
Options
(a) common salt is an ionic compound (b) conc.of sodium ion is increased (c) […]
The presence of colloidal particles can be confirmed with the help of
Options
(a) naked eye (b) ordinary microscope (c) ultramicroscope (d) none of these
Correct Answer:
ultramicroscope
Explanation:
No explanation available. Be […]
Colloidal found effective in medicines is
Options
(a) colloidal gold (b) colloidal sulphur (c) colloidal antimony (d) all of these
Correct Answer:
all of these
Explanation:
No explanation available. Be the first to […]
Which of the following is an emulsion
Options
(a) Milk (b) White of an egg (c) cheese (d) Soap solution
Correct Answer:
Milk
Explanation:
No explanation available. Be the first to write the […]
Which of the following does not contain aluminium
Options
(a) Cryolite (b) Fluorspar (c) Feldspar (d) Mica
Correct Answer:
Fluorspar
Explanation:
No explanation available. Be the first to write the explanation for this […]
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