Question 1 of 10

Given the polymers ; A = Nylon ; B = Buna - S;C = Polythene. Arrange these in increasing order of their intermolecular force (lower to higher)

A
B
C
D

Question 2 of 10

If vector a = i + 2j + 3k and b = i × (a×i) + j×(a×j) + k×(a×k) then length of b is equal to

A
B
C
D

Question 3 of 10

The area bounded by the curve y=x4-2x3+x2+3 with x-axis and ordinates corresponding to the minima of y is

A
B
C
D
E

Question 4 of 10

The oxidation state of the most electronegative element in the products of the reaction between {tex}BaO_2{/tex} and {tex}H_2SO_4{/tex} are:

A
B
C
D

Question 5 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?

A
B
C
D

Question 6 of 10

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

A
B
C
D
E

Question 7 of 10

Racemic mixture is formed by mixing two

A
B
C
D
E

Question 8 of 10

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.

A
B
C
D

Question 9 of 10

Both ethene and ethyne can be made in one step reactions from

A
B
C
D

Question 10 of 10

The coherent sources whose intensity ratio is 81:1 produce interference fringes. The ratio of minimum to maximum intensity i.e. Imin:Imax is

A
B
C
D
E
00
Hours
00
Minutes
00
Seconds

1 2 3 4 5 6 7 8 9 10