Entry Test (NMDCAT & ECAT) Preparation for FSc students to get admission to Medical colleges and Engineering Universities

MCQ-41
The total number of electrons present in 34g OH– are
A. 9 NA
B. 18 NA
C. 10 NA
D. 20 NA
Answer: D

Conceptual Answer

MCQ-42
The maximum number of molecules will be in
A. 1g of H₂
B. 7 g of N₂
C. 16 g of O₂
D. 44 g of CO2

Answer: D

Conceptual Answer

MCQ-43
How many moles of oxygen (O2) are required for complete combustion of two moles of propane (C3H8)?
A. 2
B. 4
C.10
D. 6

Answer: C

Conceptual Answer

MCQ-44
20.18 amu is the _____ of Ne
A. Average atomic mass
B. Relative atomic mass
C. Fractional atomic mass
D. All of these Answer

Answer: D

Conceptual Answer

MCQ-45
Hydrogen reacts with oxygen as shown below
2H2(g) + O2(g) → 2H2O.

How much gas will remain in the container if 8g of oxygen (O2) reacts with 9g of H2?
A. 1g
B. 2g
C. 4g
D. 8g

Answer: D

Conceptual Answer
Pages: 1 2 3 4 5 6 7 8 9 10 11 12

This Post Has 6 Comments

  1. Khadija ali August 12, 2022 Reply

    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

    1. Umair Ali khan August 18, 2022 Reply

      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.

  2. M bialal September 5, 2022 Reply

    sir where are the lectures mcqs of other chapters of pmc chemistry explanation ?

  3. Priyanka November 6, 2022 Reply

    Sir I am unable to find notes I want notes for macromolecules

Leave a Reply