Question
23. If 5a = 3125, find the value of a. (1) 5 (2) 4 (3) 6 (4) 3
Solution 23. (1) 52= 3125
→ 59 = 55
a=5
ſcomparing the indices
Recent Questions
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(a) paramagileliu
(c) ferromagnetic
23. Which pairs shows isomorphism?
(a) KNO3, NaNO3
(b) Cr2O3, Feo
(c) Both (a) and (b)
He-Medical : Chemistry
.
In A,(g) 3A (g) reaction, the in
concentration of A, is "a" mol L-1 If x is degree of
dissociation o43. If a unit vector is represented by 0.51 -0.8j +ck
then the value of c is
(1) √0.01
(2) √0.11
(3) 1
(4) 10.39
29. The value of
sin2 5° + sin2 25° + sin2 45° +
sin2 65° + sin2 85° is equal to
(1) 1.5
(3) 2.5
(4)3
(2) 2
(cos a +isina)
(sin B+icos B)
c. Position of
Mendeleev's
periodic table.
isotopes in the
and the modern
14. In a dip circle, the measurement of an apparant
IS 60° at a place where true dip is 30°. If the
circle is rotated throughThe half life of Pb is 10.6 hours and that of its
daughter element ?12Bi is 60.5 minutes. After how
much time will the daughtBy increasing the centre distance in a pair of involute gears the following will happen
