If n(A) = 4, n(B) = 3, n ( A✗ B ✗ C) = 24, then n(C) is equal to
Which of the following on thermal decomposition yields a basic as well as an acidic oxide?
A weak acid HX has {tex}K_a = 1 \times 10^-5 M{/tex}. It forms a salt NaX on reaction with alkali. The percentage degree of dissociation of 0.1 M solution of NaX is
1.00E-5
0.01
0.1
0.15
For the datathe Karl Pearson coefficient is
The area bounded by the curve y=x4-2x3+x2+3 with x-axis and ordinates corresponding to the minima of y is
A unit vector in the plane of vector i + 2j + k and i + j + 2k and perpendicular to 2i + j + k is
The values of λ so that the line 3x-4y=λ touches x2+y2-4x-8y-5=0 are
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?
If vector a = i + 2j + 3k and b = i × (a×i) + j×(a×j) + k×(a×k) then length of b is equal to
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