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Observation of "Rhumann's purple "is confirmatory test for the presence of :

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The circle passing through (1, -2) and touching the axis of x at (3, 0) also passes through the point

When 5V potential difference is applied across a wire of length 0.1 m, the drift speed of electrons is $2.5×10_{−4}ms_{−1}$. If the electron density in the wire is $8×10_{28}m_{−3}$, the resistivity of the material is close to :

In the reaction : the product E is

Which compound would give 5 - keto - 2- methyl hexanal upon ozonolysis ?

Given : A circle, $2x_{2}+2y_{2}=5$and a parabola, $y_{2}=45 x$.Statement - I : An equation of a common tangent to these curves is $y=x+5 $Statement - II : If the line, $y=mx+m5 (m=0)$is their common tangent, then m satisfies $m_{4}−3m_{2}+2=0.$

Which among the following is the most reactive ?

If f and g are differentiable functions in [0, 1] satisfying \displaystyle{f{{\left({0}\right)}}}\text{}=\text{}{2}\text{}={g}

If $[a×bb×cc×a]=λ[abc]_{2}$, then l is equal to