Which of the following is/are pseudo solids?
(P) KCl
(Q) Barium chloride dihydrate
(C ) Cake left after distillation of cool tar:

Which of the following is/are pseudo solids? (P) KCl (Q) Barium chloride dihydrate (C ) Coke left after distillation of coal tar:

Which of the following sets are equal? C= {p,q,r}, D = {r,p,q}

Which one of the following is a conductor in the solid state ? ( a ) sodium chloride (b) diamond ( c) graphite (d) sulphur

represents the distillation of mixture of liquid A and liquid B which gives both of pure liquid A and B . Represents the azeotropic mixture of HNO_(3) and H_(2)O which distillation gives an azeotropic mixture and either of pure liquid. We cannot separate both the pure liquid, i.e., H_(2)O and HNO_(3) . At temperature T_(1) and composition Q , which of the following is true? a.Vapour phase is richer in B while liquid phase is richer in A . b.Distillation of composition Q gives only pure A . c.Distillation of composition Q gives only pure A and pure B . d.Distillation of composition Q gives higher percentage of B and A .

(A) P, Q, R, S, T, U and V are sitting in a circle facing the centre. (B) S, who is second to the right of R, is not to the immediate right of V. (C) Is not between V and T. (D) P is between R and Q. Which of the following is wrong ? (I)T is to the immediate left of R (II)Q is to the immediate left of U (III)U,S and T are in a sequence , one after the other

(A) P, Q, R, S, T, U and V are sitting in a circle facing the centre. (B) S, who is second to the right of R, is not to the immediate right of V. (C) Is not between V and T. (D) P is between R and Q. Which of the following is correct ? (I)V is third to the left of R (II)U is between S and V (III)Q is to the immediate left of P

If vec P=vec Q then which of the following is NOT correct? (A) hat P=hat Q (B) |hat P|=|hat Q| (c) hat P hat Q=hat Q hat P (D) vec P+vec Q=hat P+hat Q

Which of the following is false? a. (p=>q)hArr(~ q=>~ p) is a contradiction b. pvv(~ p) is a tautology c. ~(~ p)hArr(~ q=>~ p) is a tautology d. p^^(~ p) is a contradiction

Which of the following is equivalent to (p^^q):( a) p rarr sim q(b)sim(sim p^^sim q)(c)sim(p rarr sim q)(d) Non of these