Questions

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…

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: 1.78Explanation:No…

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…

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…

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 +…

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)…

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…

Water is a

Water is a Options (a) amphoteric solvent (b) aprotic solvent (c) prophobic solvent (d) prophilic solvent Correct Answer: amphoteric solventExplanation:No…

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…

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…