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When phenol is treated with CHCl₃ and NaOH, the product formed is:
MTP is:
A black hole is an object whose gravitational field is so strong that even light cannot escape from it. To what approximate radius would earth (mass = 5.98 × 10²⁴ kg) have to be compressed to be a black hole?
Which of the following statement is correct for the stability of ions of ethyl alcohol and phenol:
Which of the following cannot be detected in a developing foetus by amniocentesis?
The displacement of a particle, moving in a straight line, is given by $s = 2t^2 + 2t + 4$ where $s$ is in metres and $t$ in seconds. The acceleration of the particle is:
Natural methods for contraception work on the principle of:
What ratio is expected in offsprings if father is colour blind and mother's father was colour blind:
Which of the sets of diseases are completely curable if detected early?
A childless couple can be assisted to have a child through a technique called GIFT. The full form of this technique is:
An increase in the concentration of the reactants of a reaction leads to change in
In hydrogen atom, what is the de Broglie wavelength of an electron in the second Bohr orbit? [Given that Bohr radius, $a_0 = 52.9$ pm]
When glycerol is treated with an excess of HI, it produces:
In vitro fertilization is a technique that involves transfer of which one of the following into the fallopian tube?
A car moving with a velocity of $10 \text{ m/s}$ can be stopped by the application of a constant force $F$ in a distance of $20 \text{ m}$. If the velocity of the car is $30 \text{ m/s}$, it can be stopped by this force in:
In a cross between a male and female, both heterozygous for sickle cell anaemia gene, what percentage of the progeny will be diseased?
A body projected vertically from the earth reaches a height equal to earth's radius before returning to the earth. The power exerted by the gravitational force is greatest:
In a typical fuel cell, the reactants (R) and products (P) are:
The solids which have the negative temperature coefficient of resistance are:
Which one of the following pairs of species have the same bond order?