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Shilpi98
@shilpi98
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Joined: Dec 29, 2021
Last seen: Mar 10, 2022
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Topics: 2165 / Replies: 0
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Topic
The function f(x) = |x^2 - 2x - 3|.e^|9x2 - 12x +4| is not differentiable at exactly :
4 years ago
Forum
Maths
Replies: 0
Views: 199
Topic
Let vector a and b be two vectors such that |vector 2a + 3b| = |vectors 3a + b| and the angle between
4 years ago
Forum
Maths
Replies: 0
Views: 96
Topic
In which year was the Air (Prevention and Control of Pollution) Act amended to include noise as air pollution?
4 years ago
Forum
Environmental Issues
Replies: 0
Views: 85
Topic
The rate of a reaction quadruples when the temperature changes from 293 K to 313 K. Calculate the energy of activation of the reaction assuming that it does not change with temperature.
4 years ago
Forum
Chemical Kinetics
Replies: 0
Views: 167
Topic
The decomposition of A into product has value of k as 4.5 x 10^3 s^-1 at 10°C and energy of activation 60 kJ mol^-1. At what temperature would k be 1.5 x 10^4 s^-1?
4 years ago
Forum
Chemical Kinetics
Replies: 0
Views: 100
Topic
The rate constant for the first order decomposition of H2O2 is given by the following equation: log k = 14.34 - 1.25 x 10^4 K/T.
4 years ago
Forum
Chemical Kinetics
Replies: 0
Views: 127
Topic
In the hydroboration - oxidation reaction of propene with diborane, H2O2 and NaOH, the organic compound formed is:
4 years ago
Forum
Hydrocarbons
Replies: 0
Views: 98
Topic
The major product obtained in the photo catalysed bromination of 2-methyl butane is
4 years ago
Forum
Hydrocarbons
Replies: 0
Views: 98
Topic
The major product formed in the reaction is:
4 years ago
Forum
Hydrocarbons
Replies: 0
Views: 70
Topic
Toluene reacts with excess of Cl2 in presence of sun light to give a product which on hydrolysis by reaction with NaOH gives
4 years ago
Forum
Hydrocarbons
Replies: 0
Views: 141
Topic
In which step of the following reaction, sp^3 carbon change to sp^2 carbon?
4 years ago
Forum
Hydrocarbons
Replies: 0
Views: 120
Topic
Compare rate of dehydration of (I), (II) and (III) by conc. H2SO4.
4 years ago
Forum
Hydrocarbons
Replies: 0
Views: 76
Topic
Let f be a non–negative function in [0, 1] and twice differentiable in (0, 1).
4 years ago
Forum
Maths
Replies: 0
Views: 94
Topic
Let the equation of the plane, that passes through the point (1, 4, -3) and contains the line of intersection of the planes 3x – 2y + 4z – 7 = 0
4 years ago
Forum
Maths
Replies: 0
Views: 258
Topic
The sum of 10 terms of the series
4 years ago
Forum
Maths
Replies: 0
Views: 71
Topic
The number of real roots of the equation e^4x + 2e^3x – e^x – 6 = 0 is
4 years ago
Forum
Maths
Replies: 0
Views: 79
Topic
Let *, p ∈ {∧, ∨} be such that the Boolean expression (p * ~q) ⇒ (p ∧ q) is a tautology. Then
4 years ago
Forum
Maths
Replies: 0
Views: 250
Topic
Use of lead-free petrol or diesel is recommended to reduce the pollutants emitted by automobiles. What role does lead play?
4 years ago
Forum
Environmental Issues
Replies: 0
Views: 168
Topic
In the textbook you came across Three Mile Island and Chernobyl disasters associated with accidental leakage of radioactive wastes.
4 years ago
Forum
Environmental Issues
Replies: 0
Views: 110
Topic
Algal blooms impart a distinct colour to water due to
4 years ago
Forum
Environmental Issues
Replies: 0
Views: 93
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