Nitrous oxide is known as
Nitrous oxide is known as
Options
(a) breathing gas (b) laughing gas (c) exercising gas (d) laboratory gas
Correct Answer:
laughing gas
Explanation:
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P Block Elements in Group 15
How many P = O bond present in (HPO₃)₃
How many P = O bond present in (HPO₃)₃
Options
(a) 0 (b) 3 (c) 6 (d) 9
Correct Answer:
3
Explanation:
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SO₂ reacts with Cl in sunlight to form
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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Tincture iodine is
Tincture iodine is
Options
(a) aqueous solution of I₂ (b) solution of I₂ in aqueous KI (c) alcoholic solution of I₂ (d) aqueous solution of KI
Correct Answer:
solution of I₂ in aqueous […]
Argon gas was discovered by
Argon gas was discovered by
Options
(a) Rayleigh (b) Ramsay (c) Lockerey (d) none of these
Correct Answer:
Rayleigh
Explanation:
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When iodine is dissolved in CCl₄, the resulting colour is
When iodine is dissolved in CCl₄, the resulting colour is
Options
(a) brown (b) violet (c) yellow (d) bluish green
Correct Answer:
violet
Explanation:
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Which one forms KHX₂ type compound
Which one forms KHX₂ type compound
Options
(a) HF (b) HCl (c) HI (d) HBr
Correct Answer:
HF
Explanation:
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Which of the following substances is used, in laboratory
Which of the following substances is used, in laboratory, for fast drying of netural gases
Options
(a) Phosphorus pentoxide (b) Anhydrous calcium chloride (c) Active charcoal (d) Sodium phosphate
Correct Answer:
Anhydrous […]
Which of the following is true about ClO₂
Which of the following is true about ClO₂
Options
(a) It is paramagnetic (b) It dimerises in liquid phase (c) It is an liner molecule (d) It is very reactive
Correct Answer:
It […]
Chlorine is liberated, when we heat
Chlorine is liberated, when we heat
Options
(a) Pb(NO₃)₂ + MnO₂ (b) K₂Cr₂O₇ + MnO₂ (c) KMnO₄ + NaCl (d) K₂Cr₂O₇ + HCl
Correct Answer:
K₂Cr₂O₇ + HCl
Explanation:
No explanation available. Be […]