Next Toppers - 12th Science
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NEXT TOPPERS CLASS 12th LIVE COURSESπŸ“–

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The RMS value of current in an AC circuit is 10 A. The peak value of the current is:
Anonymous Quiz
26%
a) 7.07 A
33%
b) 10 A
33%
c) 14.14 A
8%
d) 20 A
❀23πŸ”₯13🀝5😁3
Which of the following undergoes nucleophilic substitution by SN2 mechanism most easily?
Anonymous Quiz
38%
a) CH₃Cl
22%
b) Cβ‚‚Hβ‚…Cl
28%
c) (CH₃)₃CCl
12%
d) CH₃CHβ‚‚CHβ‚‚Cl
❀48πŸ‘12πŸ‘7πŸ”₯5πŸ–•5
A rectangular coil of 50 turns and area 0.02 mΒ² is placed in a uniform magnetic field of 0.1 T. The maximum torque on the coil when carrying 2 A current is:
Anonymous Quiz
18%
(a) 0.1 Nm
52%
(b) 0.2 Nm
24%
(c) 0.5 Nm
6%
(d) 1 Nm
❀42πŸ”₯11πŸ‘2πŸ‘Œ2
Which transition element has the highest melting point?
Anonymous Quiz
15%
(a) Mo
25%
(b) W
37%
(c) Cr
23%
(d) Fe
❀52πŸ‘10πŸ’‹7πŸ‘5πŸ₯°3
Electromagnetic waves one shot.pdf
70.6 MB
PDF se Revise KarloπŸ”₯
πŸ”₯26❀12πŸ₯°5πŸ‘4πŸ‘3
Microbes in Human Welfare.pdf
14.4 MB
PDF se Revise KarloπŸ”₯
❀31πŸ”₯4πŸ‘3πŸ‘2✍1
The average power consumed in an AC circuit with a pure inductor is:
Anonymous Quiz
26%
a) Maximum
45%
b) Zero
10%
c) Half
20%
d) Depends on frequency
❀43πŸ”₯5😁5πŸ₯΄5πŸ₯°4πŸ‘2πŸ™ˆ2πŸ’©1
❀41πŸ”₯6🍾5😈5πŸ€·β€β™‚4🀑4πŸ˜‡4😁1
Which is the major product when 2-bromopentane is treated with alcoholic KOH?
Anonymous Quiz
23%
a) Pent-1-ene
60%
b) Pent-2-ene (cis + trans)
11%
c) Pentane
7%
d) Cyclopentane
❀44πŸ”₯7πŸ€·β€β™€6β˜ƒ5πŸ‘5😁4πŸ€”4πŸ†’4
differential equation final.pdf
10.5 MB
βœ”οΈ PDF Se Revise KarloπŸ”₯
❀24🍌7πŸ‘4πŸ”₯2
Aldehyde, ketones & C.A. Oneshot.pdf
52.3 MB
βœ”οΈ PDF Se Revise KarloπŸ”₯
❀‍πŸ”₯34❀18πŸ”₯14😍5😁1
Which compound does not undergo nucleophilic substitution easily?
Anonymous Quiz
33%
a) Benzyl chloride
24%
b) Allyl chloride
21%
c) Vinyl chloride
21%
d) n-Propyl chloride
❀53🀯10😎5πŸ”₯4😁1
Which of the following halides will undergo hydrolysis most rapidly?
Anonymous Quiz
25%
a) t-Butyl chloride
38%
b) Benzyl chloride
23%
c) Vinyl chloride
14%
d) Isopropyl chloride
❀32πŸ‘9🀯5πŸ‘3πŸ‘Ž1
The product obtained when chlorobenzene reacts with Clβ‚‚/FeCl₃ is:
Anonymous Quiz
23%
a) Benzyl chloride
29%
b) p-Chlorochlorobenzene
11%
c) m-Chlorochlorobenzene
37%
d) o- & p-Chlorochlorobenzene
❀54🀷9🀑7πŸ€”3πŸ‘1πŸ‘1😁1