The method of zone refining of metals is based on the principle of

  • A
    Greater mobility of the pure metal than that of impurity
  • B
    Higher melting point of the impurity than that of the pure metal
  • C
    Greater noble character of the solid metal than that of the impurity
  • D
    Greater solubility of the impurity in the molten state than in the solid

Explore More

Similar Questions

$A$ polaroid is placed at $45^{\circ}$ to an incoming light of intensity $I_0$. Now,the intensity of light passing through the polaroid after polarization would be:

$\int_0^{2 \pi} \sin^6 x \cos^5 x \, dx$ is equal to

The upper half of an inclined plane with an angle of inclination $\phi$ is smooth, while the lower half is rough. $A$ body starting from rest at the top of the inclined plane comes to rest at the bottom of the inclined plane. Then the coefficient of friction for the lower half is

$y+x^2=\frac{dy}{dx}$ has the solution

The eccentricity of the ellipse $9x^2 + 5y^2 - 18x - 20y - 16 = 0$ is:

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo