Permanent hardness of water is due to the presence of
Permanent hardness of water is due to the presence of Options (a) bicarbonate of sodium and potassium (b) chlorides and…
7 years ago
Hydrogen and Redox Reactions
Which among the following is kinetically inert towards water?
Which among the following is kinetically inert towards water? Options (a) Na (b) Be (c) Ca (d) K Correct Answer:…
7 years ago
Zeolite used to soften hardness of water is, hydrated
Zeolite used to soften hardness of water is, hydrated Options (a) potassium aluminium borate (b) sodium aluminium silicate (c) zinc…
7 years ago
Which one of the following statements is incorrect with regard to ortho and para
Which one of the following statements is incorrect with regard to ortho and para-dihydrogen Options (a) They are nuclear spin…
7 years ago
The hybridization of oxygen atom in H₂O₂ is
The hybridization of oxygen atom in H₂O₂ is Options (a) sp³d (b) sp (c) sp² (d) sp³ Correct Answer: sp³Explanation:No…
7 years ago
The bond angle in water is
The bond angle in water is Options (a) 120⁰ (b) 109.5⁰ (c) 107⁰ (d) 104.5⁰ Correct Answer: 104.5⁰Explanation:No explanation available.…
7 years ago
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…
7 years ago
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…
7 years ago
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…
7 years ago
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…
7 years ago