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 […]
An increase in equivalent conductance of a strong electrolyte with dilution is mainly due to
Options
(a) increase in ionic mobility of ions (b) 100% ionisation of electrolyte at normal dilution (c) increase […]
How many coulombs are required for the oxidation of 1 mole H₂O to O₂
Options
(a) 3.86 x 10⁵ C (b) 1.93 x 10⁵ C (c) 4.825 x 10⁴ C (d) 9.65 x […]
In a face-centered cubic lattice, a unit cell is shared equally by how many unit cells
Options
(a) 2 (b) 4 (c) 6 (d) 8
Correct Answer:
6
Explanation:
No explanation available. Be […]
Which of the following is ferroelectric compound
Options
(a) Pb₂O₃ (b) BaTiO₃ (c) PbZrO₃ (d) K₄[Fe(CN₆)]
Correct Answer:
BaTiO₃
Explanation:
No explanation available. Be the first to write the explanation for this question […]
In preparation of alkene from alcohol using Al₂O₃ which is an effective factor
Options
(a) Porosity of Al₂O₃ (b) temperature (c) concentration (d) surface area of Al₂O₃
Correct Answer:
Porosity of Al₂O₃
Explanation: […]
Fischer-Tropsch process is used in the manufacture of
Options
(a) ethanoic acid (b) ethanol (c) synthetic petrol (d) benzene
Correct Answer:
synthetic petrol
Explanation:
In Fischer – Tropsch process steam is first passed […]
Write the IUPAC name of CH₃CH₂COOH
Options
(a) ethylformic acid (b) ethylcarboxylic acid (c) ethane methanoic acid (d) propanoic acid
Correct Answer:
propanoic acid
Explanation:
No explanation available. Be the first to write […]
A mixture containing benzene and chlorobenzene is seperated by
Options
(a) crystallization (b) sublimation (c) distillation (d) separating funnel
Correct Answer:
distillation
Explanation:
No explanation available. Be the first to write the explanation […]
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