The compound containing coordinate bond is
The compound containing coordinate bond is Options (a) SO₃ (b) H₂SO₄ (c) O₃ (d) all of these Correct Answer: all…
8 years ago
Questions
The cell membranes are mainly composed of
The cell membranes are mainly composed of Options (a) fats (b) proteins (c) phospholipids (d) carbohydrates Correct Answer: phospholipidsExplanation:No explanation…
8 years ago
If Na is heated in presence of air, it forms
If Na is heated in presence of air, it forms Options (a) Na₂CO (b) Na₂O₂ (c) Na₂O (d) both Na₂O₂…
8 years ago
Which of the following is used in refrigerant
Which of the following is used in refrigerant Options (a) SiC (b) CO₂ (c) CF₂Cl₂ (d) CHCl₃ Correct Answer: CF₂Cl₂Explanation:No…
8 years ago
Which of the following compound is not coloured
Which of the following compound is not coloured Options (a) Na₂[CuCl₄] (b) Na₂[CdCl₄] (c) K₄[Fe(CN)₆] (d) K₃[Fe(CN)₆] Correct Answer: Na₂[CdCl₄]Explanation:No…
8 years ago
What is formed when formaldehyde reacts with KOH
What is formed when formaldehyde reacts with KOH Options (a) Ethyl alcohol (b) Methanol (c) Acetylene (d) Methane Correct Answer:…
8 years ago
Which of the following has highest hydration energy
Which of the following has highest hydration energy Options (a) MgCl₂ (b) CaCl₂ (c) BaCl₂ (d) SrCl₂ Correct Answer: MgCl₂Explanation:No…
8 years ago
Libermann’s nitroso reaction may be used as a test for
Libermann's nitroso reaction may be used as a test for Options (a) 1⁰ amine (b) 2⁰ amine (c) 3⁰ amine…
8 years ago
The maximum valency of an element with atomic number 7 is
The maximum valency of an element with atomic number 7 is Options (a) 2 (b) 5 (c) 4 (d) 3…
8 years ago
The trivial names of propanone and 3-methyl-2-butanone are
The trivial names of propanone and 3-methyl-2-butanone are Options (a) acetone and methyl isopropyl ketone (b) diisopropyl ketone and acetone…
8 years ago