If vector a = i + 2j + 3k and b = i × (a×i) + j×(a×j) + k×(a×k) then length of b is equal to
Which of the following has maximum number of lone pairs associated with Xe?
The area (in square unit) enclosed by the curve y = 4 x3 and y = 16x is
If n(A) = 4, n(B) = 3, n ( A✗ B ✗ C) = 24, then n(C) is equal to
A binary liquid solution is prepared by mixing n - heptane and ethanol. Which one of the following statement is correct regarding the behaviour of the solution?
The average monthly salary of workers in a factory is Rs. 206. If the average monthly salary of males and females are Rs. 210 and Rs. 190 respectively, the percentage of female employed in the factory is
In Young's double slit experiment, the width of one of the slits is slowly increased to make it twice the width of the other slit. Then in the interference pattern:
Both ethene and ethyne can be made in one step reactions from
Which of the following statement is true?
A flask was filled with {tex}CCl_4{/tex} vapours at a particular temperature and pressure. These vapours were then replaced by oxygen gas at the same temperature and pressure, the mass of {tex}CCl_4{/tex} vapours will be
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