In parasympathetic nervous system which of the following is released
In parasympathetic nervous system which of the following is released? Options (a) epinephrine (b) norepinephrine (c) serotonin (d) acetylcholine Correct…
5 years ago
AIIMS2005
Three of the following statements regarding cell organelles are correct while
Three of the following statements regarding cell organelles are correct, while one is wrong. Which one is wrong? Options (a)…
5 years ago
A stele with a central core of xylem surronded by phloem is called or Actinostele is a modification
A stele with a central core of xylem surrounded by phloem is called or Actinostele is a modification Options (a)…
5 years ago
For the reaction one of the mole of zinc dust with one mole of sulphuric acid
For the reaction one of the mole of zinc dust with one mole of sulphuric acid in a bomb calorimeter,…
5 years ago
ΔH°f (298 K) of methanol is given by the chemical equation
ΔH°f (298 K) of methanol is given by the chemical equation Options (a) CH₄(g) + 1/2 O₂(g) → CH₃OH(g) (b)…
5 years ago
Which of the following gives propyne on hydrolysis
Which of the following gives propyne on hydrolysis Options (a) Al₄C₃ (b) Mg₂C₃ (c) B₄C (d) La₄C₃ Correct Answer: Mg₂C₃Explanation:No…
7 years ago
For a reaction , 2NOCl(g) ⇌ 2NO(g) + Cl₂(g), Kc at 427⁰C
For a reaction , 2NOCl(g) ⇌ 2NO(g) + Cl₂(g), Kc at 427⁰C is 3 ˣ 10⁻⁶ mol⁻¹ L. The value…
7 years ago
When 10 mL of 0.1 M acetic acid (pKa = 5.0 ) is titrated against 10mL of 0.1 M
When 10 mL of 0.1 M acetic acid (pKa = 5.0 ) is titrated against 10mL of 0.1 M ammonia…
7 years ago
The unit in which the solubility product of barium phosphate is expressed as
The unit in which the solubility product of barium phosphate is expressed as Options (a) mol² dm⁻⁶ (b) mol³ dm⁻⁹…
7 years ago
In diborane the two H-B-H angles are nearly
In diborane the two H-B-H angles are nearly Options (a) 60⁰,120⁰ (b) 95⁰,120⁰ (c) 95⁰,150⁰ (d) 120⁰,180⁰ Correct Answer: 95⁰,120⁰Explanation:No…
7 years ago