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Multiple Choice Question with Two or More Choices Correct
The root mean square speeds of the molecules of hydrogen, oxygen and carbon dioxide at the same temperature are v_h, v_o and v_c respectively. Then

(a)	v_h = v_o = v_c	(b)	v_h > v_o
(c)	v_o > v_c	(d)	v_h < v_o < v_c

Chemistry

Multiple Choice Question
Which of the following represents a macromolecular colloidal particles?

(a)

Sol of gold

(b)

Cellulose

(c)

Soaps

(d)

Synthetic detergents

Mathematics

Let n be a positive integer. If the coefficient of 2nd, 3rd and 4th terms in the expansion of (1 + x)ⁿ are in A.P. then the value of n is .......... .

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