(A) Wavelength
(B) Frequency
(C) Source if energy
(D) Wave number
Answer: (B) Frequency
The energy of each quantum of radiation is directly proportional to its frequency.
FPSC Chemistry Lecturer (BS-17) Test Past Papers Solved MCQs Questions with Answers.
(A) Wavelength
(B) Frequency
(C) Source if energy
(D) Wave number
Answer: (B) Frequency
The energy of each quantum of radiation is directly proportional to its frequency.
(A) 0.4M
(B) 0.1M
(C) 10M
(D) 1.0M
Answer: (C) 10M
(A) Henry’s Law
(B) Joule’s Principle
(C) Hess’s Law
(D) Law of Conservation of energy
Answer: (C) Hess’s Law
The net enthalpy change in a chemical reaction is same, whether it is brought about in two or more different ways in one or several steps. It is known as “Hess’s Law”.
(A) Aspirin
(B) Fluoride
(C) Arsenic
(D) Cyanide
Answer: (A) Aspirin
(A) CH4
(B) HCl
(C) NH3
(D) HF
Answer: (B) HCl