Question 1 of 10

If (2, 3, 5) is one end of a diameter of the sphere x² + y² + z² - 6x - 12y - 2z + 20 = 0, then the coordinates of the other end of the diameter are

Question 2 of 10

The correct order of ionic radii of {tex}Y^{3+}, La^{3+}, Eu^{3+}{/tex} and {tex}Lu^{3+}{/tex}is

Question 3 of 10

Fear or exitement, generally cause one to breath rapidly and it results in the decrease of {tex}CO_2{/tex} concentration in blood. In what way will it change the pH of blood?

Question 4 of 10

The condition that ax + by + c = 0 is tangent to the parabola y² = 4ax is

Question 5 of 10

The least stable free radical is

Question 6 of 10

∫e^{3 log x} (x⁴+1)^-1 dx is equal to

Question 7 of 10

Propyne is treated with sodamide and the product is treated with methyl iodide to get

Question 8 of 10

The angle of minimum deviation in an equilateral prism of refractive index 1.414 is

Question 9 of 10

A

B

C

Dall of the above

Enone of these

Question 10 of 10

In a polymer sample, 30% of molecules have a molecular mass of 20,000 40% have 30,000 and the rest 60,000. What is the weight average molecular mass of the polymer?