Let X denotes the number of times head occur in n tosses of a fair coin. If \(P(X = 4), P(X = 5)\) and \(P(X = 6)\) are in AP, then the value of n is(A) 7, 14(B) 10, 14(C) 12, 7
(D) 14, 12
If a substance decomposes if heated to its boiling point, the suitable method is
Answer: Option D
Explanation:
Discussion Forum
Que. | If a substance decomposes when heated to its boiling point, suitable method is |
a. | simple distillation |
b. | fractional distillation |
c. | vacuum distillation |
d. | crystallization |
Correct Answer:vacuum distillation |