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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
A protein having both structural and enzymatic traits is (a) Collagen (b) Trypsin (c) Myosin (d) Actin
4 years ago
Forum
Biology
Replies: 0
Views: 116
Topic
What criterion is followed for the selection of the stationary phase in chromatography?
4 years ago
Forum
Isolation of Elements
Replies: 0
Views: 88
Topic
What is meant by the term 'chromatography'?
4 years ago
Forum
Isolation of Elements
Replies: 0
Views: 138
Topic
Write chemical reactions taking place in the extraction of zinc from zinc blende.
4 years ago
Forum
Isolation of Elements
Replies: 0
Views: 95
Topic
Write down the reactions taking place in different zones in the blast furnace during the extraction of iron.
4 years ago
Forum
Isolation of Elements
Replies: 0
Views: 91
Topic
Name the common elements present in the anode mud in electrolytic refining of copper. Why are they so present?
4 years ago
Forum
Isolation of Elements
Replies: 0
Views: 78
Topic
Out of C and CO, which is a better reducing agent at 673 K?
4 years ago
Forum
Isolation of Elements
Replies: 0
Views: 69
Topic
Explain (i) Zone refining (ii) Column chromatography.
4 years ago
Forum
Isolation of Elements
Replies: 0
Views: 80
Topic
Why is the extraction of copper from pyrites more difficult than that from its oxide ore through reduction?
4 years ago
Forum
Isolation of Elements
Replies: 0
Views: 83
Topic
Which one of the following conformations of cyclohexane is chiral? (a) Boat (b) Twist boat (c) Rigid (d) Chair
4 years ago
Forum
Hydrocarbons
Replies: 0
Views: 81
Topic
The cycloalkane having the lowest heat of combustion per CH2 group
4 years ago
Forum
Hydrocarbons
Replies: 0
Views: 102
Topic
How many monochloro butanes will be obtained on chlorination of n-butane?
4 years ago
Forum
Hydrocarbons
Replies: 0
Views: 82
Topic
Consider the following sequence of reactions
4 years ago
Forum
Hydrocarbons
Replies: 0
Views: 83
Topic
Two thin metallic spherical shells of radii r1 and r2 (r1 < r2) are placed with their centres coinciding. Material of thermal conductivity K is filled in the space between the shells.
4 years ago
Forum
Physics
Replies: 0
Views: 85
Topic
A free electron of 2.6 eV energy collides with a H^+ ion. This results in the formation of a hydrogen atom in the first excited state and a photon is released.
4 years ago
Forum
Physics
Replies: 0
Views: 144
Topic
Statement I: Two forces (vector P + Q) and (vector P - Q) where vector P ⊥ Q, when act at an angle θ1 to each other, the magnitude of their resultant is
4 years ago
Forum
Physics
Replies: 0
Views: 263
Topic
A system consists of two identical spheres each of mass 1.5 kg and radius 50 cm at the end of light rod. The distance between the centres of the two spheres is 5 m.
4 years ago
Forum
Physics
Replies: 0
Views: 151
Topic
The structure shown above is (a) mannose (b) fructose (c) glucose (d) galactose
4 years ago
Forum
Biology
Replies: 0
Views: 133
Topic
Inulin is made up of _______ and _______. (a) glucose and fructose (b) glucose and fructose
4 years ago
Forum
Biology
Replies: 0
Views: 88
Topic
Which of the following is not a polysaccharide? (a) Lactose (b) Starch (c) Glycogen (d) Dextrin
4 years ago
Forum
Biology
Replies: 0
Views: 132
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