Intermolecular hydrogen bonding is strongest in
Options
(a) methylamine (b) phenol (c) formaldehyde (d) methanol
Correct Answer:
methanol
Explanation:
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If in a container no mass and no heat exchange occurs then it constitutes a
Options
(a) closed system (b) open system (c) isolated system (d) imaginary system
Correct Answer:
isolated system
Explanation:
An […]
SO₂ reacts with Cl in sunlight to form
Options
(a) sulphuryl chloride (b) sulphanyl chloride (c) sulphur dioxide (d) none of these
Correct Answer:
sulphuryl chloride
Explanation:
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The ion which is not tetrahedral in shape is
Options
(a) BF₄⁻ (b) NH₄⁺ (c) Cu(NH₃)₄²⁺ (d) NiCl₄²⁻
Correct Answer:
Cu(NH₃)₄²⁺
Explanation:
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Argon gas was discovered by
Options
(a) Rayleigh (b) Ramsay (c) Lockerey (d) none of these
Correct Answer:
Rayleigh
Explanation:
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pH of pure water is
Options
(a) pressuredependent (b) temperature independent (c) temperature dependent (d) none of these
Correct Answer:
temperature dependent
Explanation:
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Absolute temperature is the temperature at which
Options
(a) all molecular motion ceases (b) volume ceases zero (c) mass becomes zero (d) none of these
Correct Answer:
all molecular motion ceases
Explanation: […]
Formula of ferric sulphate is
Options
(a) FeSO₄ (b) Fe(SO₄)₂ (c) Fe₂SO₄ (d) Fe₂(SO₄)₃
Correct Answer:
Fe₂(SO₄)₃
Explanation:
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Which of the following is used in electroplating
Options
(a) AgCl (b) AgNO₃ (c) sodium argentocyanide (d) none of these
Correct Answer:
sodium argentocyanide
Explanation:
It is used for plating articles […]
Elements having same number of nucleons and different number of protons are
Options
(a) isotone (b) positron (c) isotope (d) isobar
Correct Answer:
isobar
Explanation:
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