Hydrogen and Redox Reactions Archives - Page 7 of 18

H₂ will not reduce which of following oxide? Options (a) Aluminium oxide (b) Calcium oxide (c) Ferrous oxide (d) None…

7 years ago

Which of the following can produce hydrogen from water Options (a) Heated stannic oxide (b) Heated iron (c) Heated aluminium…

7 years ago

Hydrogen can be fused to form helium at Options (a) high temperature and high pressure (b) high temperature and low…

7 years ago

By which of the following processes permanent hardness of water can be removed Options (a) Soda lime (b) Sodium bicarbonate…

7 years ago

Triple point of water is Options (a) 273 K (b) 373 K (c) 203 K (d) 193 K Correct Answer:…

7 years ago

Hydrogen burns in air with a Options (a) light bluish flame (b) yellow flame (c) green flame (d) none of…

7 years ago

The maximum number of hydrogen bonds formed by a water molecule in ice is Options (a) 4 (b) 1 (c)…

7 years ago

What is the value of carbonate hardness of water sample if 100 mL of it took 5 mL of 0.09…

7 years ago

Bond angle in H₂O₂ is Options (a) 97⁰ (b) 91⁰ (c) 94.8⁰ (d) 99.8⁰ Correct Answer: 97⁰Explanation:No explanation available. Be…

7 years ago

Heavy water is obtained by Options (a) boiling water (b) fractional distillation of H₂O (c) prolonged electrolysis of H₂O (d)…

7 years ago