AIIMS2005

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…

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)…

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)…

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,…

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)…

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…

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…

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…

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…

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…