The H – O – O bond angle in H₂O₂ is
The H – O – O bond angle in H₂O₂ is
Options
(a) 107.28⁰ (b) 109.28⁰ (c) 97⁰ (d) 106⁰
Correct Answer:
97⁰
Explanation:
No explanation available. Be the first to write the […]
Questions
The normality of 10 volume hydrogen peroxide is
The normality of 10 volume hydrogen peroxide is
Options
(a) 0.176 (b) 3.52 (c) 1.78 (d) 0.88
Correct Answer:
1.78
Explanation:
No explanation available. Be the first to write the explanation for this […]
Water softening by Clark’s process uses
Water softening by Clark’s process uses
Options
(a) calcium bicarbonate (b) sodium bicarbonate (c) potash alum (d) calcium hydroxide
Correct Answer:
calcium hydroxide
Explanation:
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Action of water or dilute mineral acids on metals can give
Action of water or dilute mineral acids on metals can give
Options
(a) monohydrogen (b) tritium (c) dihydrogen (d) trihydrogen
Correct Answer:
dihydrogen
Explanation:
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The reaction in which hydrogen peroxide acts as a reducing agent is
The reaction in which hydrogen peroxide acts as a reducing agent is
Options
(a) PbS + 4H₂O₂ → PbSO₄ + 4H₂O (b) 2KI + H₂O₂ → 2KOH + I₂ (c) 2FeSO₄ + H₂SO₄ […]
Alum is a water purifier because it
Alum is a water purifier because it
Options
(a) coagulates the impurities (b) softens hard water (c) gives taste (d) destroys the pathogenic bacteria
Correct Answer:
coagulates the impurities
Explanation:
No explanation available. […]
What is the volume of ’20 volume H₂O₂. required to get 5000 cm³ of oxygen at STP?
What is the volume of ’20 volume H₂O₂. required to get 5000 cm³ of oxygen at STP?
Options
(a) 250 cm³ (b) 50 cm³ (c) 100 cm³ (d) 125 cm³
Correct Answer:
250 […]
Water is a
Water is a
Options
(a) amphoteric solvent (b) aprotic solvent (c) prophobic solvent (d) prophilic solvent
Correct Answer:
amphoteric solvent
Explanation:
No explanation available. Be the first to write the explanation for this […]
Ammonia gas dissolves in water to form NH₄OH.In this reaction water acts as
Ammonia gas dissolves in water to form NH₄OH.In this reaction water acts as
Options
(a) a conjugate base (b) an acid (c) a non-polar solvent (d) a base
Correct Answer:
an acid
Explanation: […]
If 10 cm³ solution of H₂O₂ ,on decomposition gives 150 cm³ of O₂
If 10 cm³ solution of H₂O₂ ,on decomposition gives 150 cm³ of O₂ at STP, then volume strength of H₂O₂ is
Options
(a) 20 vol (b) 15 vol (c) 10 vol (d) 30 […]