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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
Why is N2 less reactive at room temperature?
4 years ago
Forum
The P Block Elements
Replies: 0
Views: 68
Topic
Why is BiH3 the strongest reducing agent amongst all the hydrides of Group 15 elements?
4 years ago
Forum
The P Block Elements
Replies: 0
Views: 69
Topic
Why are pentahalides more covalent than trihalides?
4 years ago
Forum
The P Block Elements
Replies: 0
Views: 64
Topic
What is the role of cryolite in the metallurgy of aluminium?
4 years ago
Forum
Isolation of Elements
Replies: 0
Views: 114
Topic
Why copper matte is put in silica lined converter?
4 years ago
Forum
Isolation of Elements
Replies: 0
Views: 89
Topic
Differentiate between "minerals" and "ores".
4 years ago
Forum
Isolation of Elements
Replies: 0
Views: 106
Topic
How is 'cast iron' different from 'pig iron'?
4 years ago
Forum
Isolation of Elements
Replies: 0
Views: 113
Topic
Giving examples, differentiate between 'roasting' and 'calcination'.
4 years ago
Forum
Isolation of Elements
Replies: 0
Views: 113
Topic
How can you separate alumina from silica in bauxite ore associated with silica? Give equations, if any.
4 years ago
Forum
Isolation of Elements
Replies: 0
Views: 101
Topic
On mercuration-demarcation produces the major product:
4 years ago
Forum
Hydrocarbons
Replies: 0
Views: 107
Topic
The major product formed in the reaction is:
4 years ago
Forum
Hydrocarbons
Replies: 0
Views: 93
Topic
An unknown compound A has a molecular formula C4H6, when A is treated with an excess of Br2, a new substance B with formula C4H6Br2 is formed.
4 years ago
Forum
Hydrocarbons
Replies: 0
Views: 90
Topic
Identify the reagent from the following list which can easily distinguish between 1-butyne and 2-butyne
4 years ago
Forum
Hydrocarbons
Replies: 0
Views: 92
Topic
Acid catalyzed hydration of alkenes except ethene leads to the formation of
4 years ago
Forum
Hydrocarbons
Replies: 0
Views: 110
Topic
A parallel plate capacitor of capacitance 200 µF is connected to a battery of 200 V. A dielectric slab of dielectric constant 2 is now inserted
4 years ago
Forum
Physics
Replies: 0
Views: 153
Topic
A bandwidth of 6 MHz is available for A.M. transmission. If the maximum audio signal frequency used for modulating the carrier wave is not to exceed 6 kHz.
4 years ago
Forum
Physics
Replies: 0
Views: 96
Topic
If RE be the radius of Earth, then the ratio between the acceleration due to gravity at a depth 'r' below and a height 'r' above the earth surface is
4 years ago
Forum
Physics
Replies: 0
Views: 81
Topic
Statement I: To get a steady dc output from the pulsating voltage received from a full wave rectifier we can connect a capacitor across the output parallel to the load RL.
4 years ago
Forum
Physics
Replies: 0
Views: 157
Topic
For a body executing S.H.M.: (a) Potential energy is always equal to its K.E. (b) Average potential and kinetic energy over any given time interval are always equal.
4 years ago
Forum
Physics
Replies: 0
Views: 131
Topic
A coil is placed in a magnetic field vector B as shown below: A current is induced in the coil because
4 years ago
Forum
Physics
Replies: 0
Views: 93
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