MCQ-21
Stoichiometric calculations are made when
A. Reaction is irreversible
B. No side reaction occurs
C. Law of conservation of mass and law of definite proportion are obeyed
D. All of these
Answer: D
MCQ-22
Number of electrons in 1.7g of OH– are
A. 1.2 NA
B. NA
C. 2.2 NA
D. 3.3 NA
Answer: B
MCQ-23
Yield which reflects the efficiency of a reaction
A. Actual yield
B. Theoretical yield
C. %age yield
D. All these reflect efficiency of reaction
Answer: C
MCQ-24
Gas molecules are about _____far away than their diameter
A. 100 time
B. 200 time
C. 300 time
D. 400 time
Answer: C
MCQ-25
The value of ‘n’ in determining molecular formula is obtained from the relation
A. Molecular formula mass/Empirical formula mass
B. Empirical formula mass/Molecular formula mass
C. Molecular formula mass/Empirical formula mass *100
D. Empirical formula mass/molecular formula mass * 100
Answer: A
Amazing sir g…i need these mcqs in pdf plzz …. please share me in email these all mcqs of chemistry from fsc to BS PLZZZ SIR plzz
These MCQs are not available in pdf. Material is taken from different sources, students requested or from past papers and put on the website randomly without writing in pdf.
sir where are the lectures mcqs of other chapters of pmc chemistry explanation ?
Are you asking for discussion lectures?
Sir I am unable to find notes I want notes for macromolecules
NMDCAT notes are in the form of MCQs. https://umairkhanacademy.com/nmdcat-practice-test-notes-chapter-10/