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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
Give reason why a finely divided substance is more effective as an adsorbent.
4 years ago
Forum
Surface Chemistry
Replies: 0
Views: 89
Topic
What is the difference between physisorption and chemisorption?
4 years ago
Forum
Surface Chemistry
Replies: 0
Views: 100
Topic
Distinguish between the meaning of the terms adsorption and absorption. Give one example of each.
4 years ago
Forum
Surface Chemistry
Replies: 0
Views: 81
Topic
Why is it essential to wash the precipitate with water before estimating it quantitatively?
4 years ago
Forum
Surface Chemistry
Replies: 0
Views: 151
Topic
What modification can you suggest in the Hardy-Schulze law?
4 years ago
Forum
Surface Chemistry
Replies: 0
Views: 83
Topic
What is the role of desorption in the process of catalysis?
4 years ago
Forum
Surface Chemistry
Replies: 0
Views: 137
Topic
Why is the ester hydrolysis slow in the beginning and becomes faster after sometime?
4 years ago
Forum
Surface Chemistry
Replies: 0
Views: 86
Topic
Why is it necessary to remove CO when ammonia is obtained by Haber's process?
4 years ago
Forum
Surface Chemistry
Replies: 0
Views: 135
Topic
Why are powdered substances more effective adsorbents than their crystalline forms?
4 years ago
Forum
Surface Chemistry
Replies: 0
Views: 105
Topic
Why does physisorption decrease with the increase of temperature?
4 years ago
Forum
Surface Chemistry
Replies: 0
Views: 95
Topic
Write any two characteristics of Chemisorption.
4 years ago
Forum
Surface Chemistry
Replies: 0
Views: 88
Topic
The time required for 10% completion of a first order reaction at 298 K is equal to that required for its 25% completion at 308 K. If the value of A is 4 x 10^10 s^-1. Calculate k at 318 K and Ea.
4 years ago
Forum
Chemical Kinetics
Replies: 0
Views: 92
Topic
Which of the following types of reaction occur when a reactant has got a double bond?
4 years ago
Forum
Hydrocarbons
Replies: 0
Views: 143
Topic
Which one of the following compounds would have the highest heat of hydrogenation?
4 years ago
Forum
Hydrocarbons
Replies: 0
Views: 72
Topic
In preparation of alkene from alcohol using Al2O3 which is effective factor?
4 years ago
Forum
Hydrocarbons
Replies: 0
Views: 95
Topic
The product of the reaction between ethyl benzene and N-bromosuccinamide is
4 years ago
Forum
Hydrocarbons
Replies: 0
Views: 120
Topic
In the given reaction, the product ‘A’ is
4 years ago
Forum
Hydrocarbons
Replies: 0
Views: 89
Topic
The integral ∫1/4√(x-1)^3(x+2)^5 dx is equal to :
4 years ago
Forum
Maths
Replies: 0
Views: 207
Topic
Which of the following is not correct for relation R on the set of real numbers?
4 years ago
Forum
Maths
Replies: 0
Views: 153
Topic
Three numbers are in an increasing geometric progression with common ratio r. If the middle number is doubled, then the new numbers are in an arithmetic progression with common difference d.
4 years ago
Forum
Maths
Replies: 0
Views: 145
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