DPPs
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Class XI
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XI- Chemistry
What are Schottky and Frenkel defects?
By
Divyanshi,
22 Dec 2025 At 12:58 PM
1 replies
3 views
Last Reply
WhiteWizard
Dec 22, 2025
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Course
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JEE Main
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Chemistry
1. A particle moves in a circle of radius 2 m with speed 4 m/s. Find centripetal force if mass = 0.5 kg.
By
Monika,
11 Dec 2025 At 12:26 PM
1 replies
5 views
Last Reply
Sandhya
Dec 11, 2025
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TestSeries
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JEE Main
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Chemistry
State Newton’s Second Law of Motion.
By
Divyanshi,
11 Dec 2025 At 12:06 PM
3 replies
4 views
Last Reply
Supervisior
Dec 11, 2025
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TestSeries
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JEE Main
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Chemistry
For the equilibrium N2O4(g)⇌2NO2(g)N_2O_4(g) \rightleftharpoons 2NO_2(g) N 2 O 4 ( g ) ⇌ 2 N O 2 ( g ) the color of NO2NO_2 N O 2 is brown and that of N2O4N_2O_4 N 2 O 4 is colorless. What will you observe when the equilibrium mix...
By
Divyanshi,
30 Oct 2025 At 01:24 PM
3 replies
16 views
Last Reply
WhiteWizard
Dec 11, 2025
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TestSeries
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JEE Main
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Chemistry
A reaction follows first-order kinetics with a rate constant 1.386×10−3 s−11.386 × 10^{-3}\,s^{-1} 1.386 × 1 0 − 3 s − 1 . The initial concentration of the reactant is 0.1 M. What will be the concentration after 10 min?
By
Sandhya,
30 Oct 2025 At 01:01 PM
3 replies
4 views
Last Reply
Supervisior
Dec 11, 2025
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TestSeries
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JEE Main
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Physics
Define a scalar and differentiate it from a vector.
By
Tanvi,
29 Oct 2025 At 01:31 PM
3 replies
2 views
Last Reply
Sandhya
Oct 29, 2025
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TestSeries
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JEE Main
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Math
Define radian . How many radians are there in 180°?
By
Tanvi,
29 Oct 2025 At 01:28 PM
1 replies
1 views
Last Reply
Ranvijay
Oct 29, 2025
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QuestionBank
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JEE Main
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Chemistry
Derive the ideal gas equation using Boyle’s, Charles’s, and Avogadro’s laws.
By
Tanvi,
29 Oct 2025 At 01:25 PM
3 replies
6 views
Last Reply
WhiteWizard
Nov 20, 2025
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DPPs
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Class XI
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XI-Biology
Who is known as the Father of Taxonomy ?
By
Tanvi,
29 Oct 2025 At 01:23 PM
2 replies
1 views
Last Reply
Ranvijay
Oct 29, 2025
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DPPs
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Class XI
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XI- Chemistry
Define mole and explain its significance in chemistry.
By
Tanvi,
29 Oct 2025 At 01:06 PM
2 replies
1 views
Last Reply
Ranvijay
Oct 29, 2025
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