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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
What is a tree line?
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 161
Topic
The activation energy for the reaction 2HI(g) → H2 + I2(g) is 209.5 kJ mol^-1 at 581K. C calculate the fraction of molecules of reactants having energy equal to or greater than activation energy?
4 years ago
Forum
Chemical Kinetics
Replies: 0
Views: 136
Topic
The rate of the chemical reaction doubles for an increase of 10 K in absolute temperature from 298 K. Calculate Ea.
4 years ago
Forum
Chemical Kinetics
Replies: 0
Views: 155
Topic
What will be the effect of temperature on rate constant?
4 years ago
Forum
Chemical Kinetics
Replies: 0
Views: 216
Topic
Time required to decompose SO2Cl2 to half of its initial amount is 60 minutes. If the decomposition is a first order reaction, calculate the rate constant of the reaction.
4 years ago
Forum
Chemical Kinetics
Replies: 0
Views: 179
Topic
Maleic acid and fumaric acids are (a) Chain isomers (b) Functional isomers (c) Tautomers
4 years ago
Forum
Some Basic Principles and Techniques
Replies: 0
Views: 128
Topic
How many cyclic structures are possible for C4H6?
4 years ago
Forum
Some Basic Principles and Techniques
Replies: 0
Views: 140
Topic
Which one of the following acids does not exhibit optical isomerism?
4 years ago
Forum
Some Basic Principles and Techniques
Replies: 0
Views: 97
Topic
Which of the following orders is correct for heat of hydrogenation of these compounds?
4 years ago
Forum
Some Basic Principles and Techniques
Replies: 0
Views: 157
Topic
Dipole moment of which ketone is maximum?
4 years ago
Forum
Some Basic Principles and Techniques
Replies: 0
Views: 182
Topic
Which one of the following compounds has non-zero dipole moment?
4 years ago
Forum
Some Basic Principles and Techniques
Replies: 0
Views: 174
Topic
A moving proton and electron have the same deBroglie wavelength. If K and P denote the K.E. and momentum respectively.
4 years ago
Forum
Physics
Replies: 0
Views: 109
Topic
In an ac circuit, an inductor, a capacitor and a resistor are connected in series with XL = R = XC. Impedance of this circuit is
4 years ago
Forum
Physics
Replies: 0
Views: 80
Topic
Angular momentum of a single particle moving with constant speed along circular path
4 years ago
Forum
Physics
Replies: 0
Views: 101
Topic
Which of the following equations is dimensionally incorrect ? Where t = time, h = height, s = surface tension, θ = angle, ρ = density, a, r = radius, g = acceleration due to gravity, v = volume, p = pressure
4 years ago
Forum
Physics
Replies: 0
Views: 191
Topic
For an ideal gas the instantaneous change in pressure 'p' with volume 'v' is given by the equation dp/dv = -ap.
4 years ago
Forum
Physics
Replies: 0
Views: 182
Topic
Match List-I with List-II. List-I - List-II (a) Torque → (i) MLT^-1 (b) Impulse → (ii) MT^-2 (c) Tension → (iii) ML^2T^-2
4 years ago
Forum
Physics
Replies: 0
Views: 94
Topic
Give the scientific names of any two microorganisms inhabiting the human intestine.
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 136
Topic
Lianas are vascular plants rooted in the ground and maintain erectness of their stem by making use of other trees for support. They do not maintain direct relation with those trees. Discuss the type of association the lianas have with the trees.
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 164
Topic
In an association of two animal species, one is a termite which feeds on wood and the other is a protozoan Trichonympha present in the gut of the termite. What type of association they establish?
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 148
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