Triple point of water is
Triple point of water is Options (a) 273 K (b) 373 K (c) 203 K (d) 193 K Correct Answer:…
7 years ago
Chemistry
Hydrogen burns in air with a
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
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
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
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
Heavy water is obtained by Options (a) boiling water (b) fractional distillation of H₂O (c) prolonged electrolysis of H₂O (d)…
7 years ago
Para and ortho-hydrogen differ in
Para and ortho-hydrogen differ in Options (a) atomic number (b) atomic mass (c) spins of proton (d) number of neutron…
7 years ago
The boiling point of heavy water is
The boiling point of heavy water is Options (a) 100⁰C (b) 101.4⁰C (c) 99⁰C (d) 110⁰C Correct Answer: 101.4⁰CExplanation:No explanation…
7 years ago
Which of the following statement is correct
Which of the following statement is correct Options (a) Hydrogen will not be liberated at anode (b) Hydrogen has oxidation…
7 years ago
Which of the following is heavy water
Which of the following is heavy water Options (a) H₂O (b) H₂O₁₈ (c) D₂O (d) H₂O₁₆ Correct Answer: D₂OExplanation:No explanation…
7 years ago