Question 1 of 10

If vectors a, b, c are non zero, non coplanar vectors, then (c x a) x (a x b) is

Question 2 of 10

Two finite sets have m and n elements. The number of elements in the power set of first set is 48 more than the total number of elements in the power set of the second set. Then the values of m and n are

Question 3 of 10

Question 4 of 10

If X = , then Xⁿ, for n ∈ N is equal to

Question 5 of 10

If for a plane, the intercepts on the co-ordinate axes are 8, 4, 4 then the length of the perpendicular from the origin on to the plane is

Question 6 of 10

The critical temperature of {tex}O_2, N_2, H_2{/tex} and {tex}CO_2{/tex} are 154.3K, 126K, 33.2K and 304K respectively. The extent of adsorption on tungsten may be highest in case of

Question 7 of 10

Which of the following on thermal decomposition yields a basic as well as an acidic oxide?

Question 8 of 10

Chloroform gives a trichloro derivative of an alcohol on reaction with

Question 9 of 10

A sample of radioactive substance with half-life of 3 days was found to contain only 3g of it, when received exactly 12 days after sealing.The amount of the radeioactive substance when it was sealed, was :

Question 10 of 10

At STP, volume of 0.01g of {tex}H_2{/tex} is the same as that of