हिंदी माध्यम नोट्स
For the chemical reaction N2(g) + 3H2 (g) ⇌ 2NH3 (g) The correct option is –
Question : For the chemical reaction N2(g) + 3H2 (g) ⇌ 2NH3 (g) The correct option is - Answer :…
The mixture that forms maximum boiling azeotrope is (1) Water + Nitric acid. (2) Ethanol + Water.
Question : The mixture that forms maximum boiling azeotrope is (1) Water + Nitric acid. (2) Ethanol + Water. (3)…
Among the following, the reaction that proceeds through an electrophilic substitution, is :
Question : Among the following, the reaction that proceeds through an electrophilic substitution , is : Answer : from all…
The non-essential amino acid among the following is (1) valine. (2) leucine. (3) alanine. (4) lysine.
Question : The non-essential amino acid among the following is (1) valine. (2) leucine. (3) alanine. (4) lysine. answer :…
If the rate constant for a first order reaction is k , the time (t) required for the completion of 99% of the reaction is given by
Question : If the rate constant for a first order reaction is k , the time (t) required for the…
pH of a saturated solution of Ca(OH)2 is 9. The solubility product (Ksp) of Ca(OH)2 is
Question : pH of a saturated solution of Ca(OH)2 is 9. The solubility product (Ksp) of Ca(OH)2 is : (1)…
The biodegradable polymer is (1) Nylon-6,6 (2) Nylon-2-Nylon-6 (3) Nylon-6 (4) Buna-s
Question : The biodegradable polymer is (1) Nylon-6,6. (2) Nylon-2-Nylon-6. (3) Nylon-6. (4) Buna-s. Answer : from all above options…
For the second period elements the correct increasing order of first ionization enthalpy is
Question : For the second period elements the correct increasing order of first ionization enthalpy is : (1) Li < …
Which of the following diatomic molecular species has only a bonds according to Molecular Orbital Theory ?
Question : Which of the following diatomic molecular species has only a bonds according to Molecular Orbital Theory ? (1)…
Match the following : (a) Pure nitrogen (i) Chlorine (b) Haber process (ii) Sulphuric acid (c) Contact process (iii) Ammonia
Question : Match the following : (a) Pure nitrogen (i) Chlorine (b) Haber process (ii) Sulphuric acid (c) Contact process …