NaHCO₃ is prepared by
NaHCO₃ is prepared by Options (a) Dow process (b) Solvay process (c) Bosch process (d) none of these Correct Answer:…
7 years ago
Chemistry
MnO₄²⁻ (1 mole) in neutral aqueous medium is disproportionated to
MnO₄²⁻ (1 mole) in neutral aqueous medium is disproportionated to Options (a) 2/3 mole of MnO₄⁻ and 1/3 mole of…
7 years ago
How many moles of iodine are liberated when 1 mole of potassium dichromate
How many moles of iodine are liberated when 1 mole of potassium dichromate reacts with potassium iodide Options (a) 1…
7 years ago
pH value of a solution, whose hydronium ion concentration is 6.2 x 10⁻⁹ mol/L is
pH value of a solution, whose hydronium ion concentration is 6.2 x 10⁻⁹ mol/L is Options (a) 7.75 (b) 7.21…
7 years ago
If the hydrogen ion concentration of an acid decreases 10 times, its pH value
If the hydrogen ion concentration of an acid decreases 10 times, its pH value Options (a) remains unchanged (b) increases…
7 years ago
If 1 mole of an ideal gas expands isothermally at 37⁰C from 15 litres
If 1 mole of an ideal gas expands isothermally at 37⁰C from 15 litres to 25 litres ,the maximum work…
7 years ago
First law of thermodynamics is represented by the equation
First law of thermodynamics is represented by the equation Options (a) W = Q + ΔE (b) ΔE = Q…
7 years ago
Identify the molecule that has zero dipole moment
Identify the molecule that has zero dipole moment Options (a) CH₃Cl (b) CHCl₃ (c) CH₂Cl₂ (d) CCl₄ Correct Answer: CCl₄Explanation:No…
7 years ago
The molecular of CO₂ has angle 180°.It can be explained on the basis of
The molecular of CO₂ has angle 180°.It can be explained on the basis of Options (a) sp³ hybridisation (b) sp²…
7 years ago
Which of the following gas is called rare gas
Which of the following gas is called rare gas Options (a) Krypton (b) Neon (c) Argon (d) All of these…
7 years ago