class 12

Chemistry

Polymers & Biomolecules

Which of the vitamins given below is water soluble ?

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If all the words (with or without meaning) having five letters, formed using the letters of the word SMALL and arranged as in a dictionary; then the position of the word SMALL is :

At present, a firm is manufacturing 2000 items. It is estimated that the rate of change of production P w.r.t. additional number of workers x is given by \displaystyle\frac{{{d}{P}}}{{{\left.{d}{x}\right.}}}={100}-{12}\sqrt{{{x}{\dot}}}If the firm employs 25 more workers, then the new level of production of items is

Two coaxial solenoids of different radii carry current I in the same direction. Let \displaystyle\vec{{F}}_{}

Let the population of rabbits surviving at a time t be governed by the differential equation $(dpdtt =21 p(t)−200.$If $p(0)=100$, then p(t) equals

The real number k for which the equation, $2x_{3}+3x+k=0$has two distinct real roots in [0, 1]

If the equations $x_{2}+2x+3=0$and $ax_{2}+bx+c=0,a,b,c∈R$, have a common root, then $a:b:c$is

Let a, b, c and d be non-zero numbers. If the point of intersection of the lines $4ax+2ay+c=0$and $5bx+2by+d=0$ lies in the fourth quadrant and is equidistant from the two axes then

Which polymer is used in the manufacture of paints and lacquers ?