Given the polymers ; A = Nylon ; B = Buna - S;C = Polythene. Arrange these in increasing order of their intermolecular force (lower to higher)
If x1, x2, x3 as well as y1, y2, y3 are in GP with the same common ratio, then the points (x1, y1), (x2, y2) and (x3, y3) :
In a polymer sample, 30% of molecules have a molecular mass of 20,000 40% have 30,000 and the rest 60,000. What is the weight average molecular mass of the polymer?
Two finite sets have m and n elements respectively. The total number of subsets of first set is 56 more than the total number of subsets of the second set. The values of m and n respectively are
At STP, volume of 0.01g of {tex}H_2{/tex} is the same as that of
A unit vector in the plane of vector i + 2j + k and i + j + 2k and perpendicular to 2i + j + k is
An organic compound A(C4H9Cl) on reaction with Na/diethyl ether gives a hydrocarbon which on monochlorination gives only one chloro derivative. A is
The values of λ so that the line 3x-4y=λ touches x2+y2-4x-8y-5=0 are
When 32.25g of ethyl chloride is subjected to dehydrohalogenation reaction the yield of the alkene formed is 50%. The mass of the product formed is: (atomic mass of chlorine is 35.5)
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