Which substance serves as a reducing agent in the following reaction, {tex}14H^{+} + Cr_2O^{2-}_7 + 3Ni \rightarrow 2Cr^{3+} + 7H_2O + 3Ni^{2+}{/tex}
The force between two magnetic poles is F. If the distance between the poles and the pole strenghts is doubled, then the force experienced is:
At STP, volume of 0.01g of {tex}H_2{/tex} is the same as that of
The values of λ so that the line 3x-4y=λ touches x2+y2-4x-8y-5=0 are
Which of the following statement is true?
then the matrix A is equal to
Given the polymers ; A = Nylon ; B = Buna - S;C = Polythene. Arrange these in increasing order of their intermolecular force (lower to higher)
A spring of force constant k is cut into two pieces such that one piece is double the length of the other. The force constant of the longer piece will be
If vector a = i + 2j + 3k and b = i × (a×i) + j×(a×j) + k×(a×k) then length of b is equal to
Oxidation states of P in {tex}H_4 P_2 O_5, H_4 P_2 O_6, H_4 P_2 O_7{/tex} are respectively.
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