Engineer & Medical

Exam 2013 Chemistry question bank (Chemistry)

Practice 208 free Engineer & Medical Chemistry - Exam 2013 Chemistry questions with answers and step-by-step solutions.

Q1.

Smoke is an example of

(A)
Gas dispersed in liquid
(B)
Gas dispersed in solid
(C)
Solid dispersed in gas
(D)
Solid dispersed in solid
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Q2.

In a hydrogen-like atom,an electron makes a transition from an energy level with quantum number $n$ to another with quantum number $(n - 1)$. If $n \gt \gt 1$,the frequency of the emitted radiation is proportional to:

(A)
$1/n$
(B)
$1/n^2$
(C)
$1/n^{3/2}$
(D)
$1/n^3$
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