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by JeeNeetQnA in Announcements asked Jul 19 38 views

by JeeNeetQnA closed Jul 19

Hello and welcome to the Jee Neet QnA: A website / forum which is completely managed by you as members of our community.

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by Prashant in Biomolecules answered 17 hours ago 138 views

The reaction of concentrated sulphuric acid with carbohydrates (C12H22O11) is an example of

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1 answer

by Debs in Some Basic Principles of Organic Chemistry answered 1 day ago 351 views

How many (i) sp2 hybridised carbon atoms and (ii) π bonds are present in the following compound?

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1 answer

by JeeNeetQnA in Chemistry answered 3 days ago 17 views

Statement 1: Dipole-dipole interactions are the only non-covalent interaction that lead to hydrogen bonding.

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by JeeNeetQnA in Chemistry answered 3 days ago 11 views

Deficiency of which vitamin helps in delaying blood clotting?

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by JeeNeetQnA in Chemistry answered 3 days ago 17 views

Statement 1: O-nitrophenol is steam volatile due to H- bonding Statement 2: O-nitrophenol has higher

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1 answer

by JeeNeetQnA in Chemistry answered 3 days ago 11 views

Ozone in troposphere prevents us from?

Ozone in troposphere prevents us from? (a) Cause photochemical smog (b) Protects from UV radiation (c) Protects from X-ray (d) Protects from greenhouse effect

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1 answer

by JeeNeetQnA in Properties of Solids and Liquids answered 3 days ago 10 views

Some drops, each of radius ‘r’ coalesce to form a large drop of radius ‘R’. The surface tension is T.

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1 answer

by JeeNeetQnA in Electromagnetic Induction and Alternating Currents answered 3 days ago 13 views

An AC current is given by i(t) = I1 sin wt + I2 cos wt. Find the rms value of current.

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1 answer

by JeeNeetQnA in Physics and Measurement answered 3 days ago 20 views

Find the significant figure in 50000.020 × 10^-3

Find the significant figure in 50000.020 × 10-3 (a) 5 (b) 6 (c) 7 (d) 8

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1 answer

by hari haran in Biotechnology: Principles and processes answered 4 days ago 511 views

In Recombinant DNA technology antibiotics are used

In Recombinant DNA technology antibiotics are used (1) As selectable markers (2) To keep medium bacteria-free (3) to detect alien DNA (4) To impart disease-resistance to the host plant

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2 answers

by kashish in Sequences and Series answered 4 days ago 407 views

The sum of the first three terms of a G.P. is S and their product is 27. Then all such S lie in

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2 answers

by JeeNeetQnA in Physics and Measurement asked Jul 26 11 views

If W = work done, T = Temperature, KB = Boltzmann constant, x = Displacement & W = αβ^2 e x^2/αKBT

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by JeeNeetQnA in Oscillations and Waves asked Jul 26 8 views

A travelling wave is given by y = −0.21sin(x+ 3t) where x is in m, t is in seconds, y is in mm.

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by JeeNeetQnA in Oscillations and Waves asked Jul 26 10 views

If the force acting on the body moving in circular motion is proportional to r−3, then the time period

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by JeeNeetQnA in Rotational Motion asked Jul 26 8 views

Four solid spheres each of mass m and radius a, have their centers on the vertices of a square whose side is b.

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by anonymous in Environmental Chemistry answered Jul 26 52 views

Which of the following statement is NOT true about acid rain?

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by JeeNeetQnA in Haloalkanes and Haloarenes answered Jul 22 675 views

Which of the following will NOT undergo SN1 reaction with OH- ?

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by JeeNeetQnA in Mathematics asked Jul 20 15 views

The system 2x + 3y + 2z = 1, 4x + 6y + 2z = 1, – x + y + 2z = 3 has

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by JeeNeetQnA in Complex Numbers and Quadratic Equations asked Jul 20 14 views

If z^2 + αz + β = 0 has one root 1 − 2i, where α, β ∈ R. Find the value of α − β

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by JeeNeetQnA in Chemistry asked Jul 20 18 views

Indium is refined by which of the following methods?

Indium is refined by which of the following methods? (1) Van-Arkel (2) Zone-refining (3) Distillation (4) Liquation

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