NEB Class 12 Chemistry General Stream MCQ Exam Paper 2081-2024

Today, we’re going to provide you NEB Class 12 Chemistry General Stream MCQ Exam Paper 2081-2024 with subject code – 3021Q which examination was held on the year 2081/2024 and you can download the neb grade xii (12) Chemistry General Stream MCQ subject exam question paper of the year 2081-2024 in PDF format which is only for the general stream students whose first two digits of registration number start from 78, 79 and 80. Please check and download pdf file grade 12 Chemistry General Stream MCQ Exam question paper of the year 2024-2081 Nepal. The Exam Question provided below – NEB Class 12 Chemistry General Stream MCQ Exam Paper 2081-2024 for the board exam 2079 and onwards. And it is based on the latest NEB Syllabus for 2079 and so on. We will be adding more Exam Question Papers of grade xii- class 12 later on. Scroll down to Download NEB Class 12 Chemistry General Stream MCQ Exam Paper 2081-2024 Sub. Code: 3021Q in pdf format which is 2.15 mb in size. Enjoy!

NEB Class 12 Chemistry General Stream MCQ Exam Paper 2081-2024.

NATIONAL EXAMINATIONS BOARD [NEB]
Chemistry (MCQ)
Grade XII-Class 12
For General Stream Students
Examination – 2081 (2024)
(New Course)
Subject Code: 3021Q
F. Time – 3 hrs
Full Marks – 75

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Candidates are required to give their answers in their own words as far as practicable. The figures in the margin indicate full marks.

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Attempt All the Questions:

Group – ‘A’ 11×1=11

Rewrite the correct options of each questions in your answer sheet.

1. What is the molarity of 0.4 N Na₂CO₃ solution?

A) 0.1 M
B) 0.2 M
C) 0.4 M
D) 0.8 M

2. Which of the following will have highest pH in water solution ?

A) NaCl
B) Na₂CO₃
C) KCl
D) CuSO₄

3. What kind of battery is used in a laptop computer and mobile phone ?

A) Li-ion battery
B) Dry cell battery
C) Fuel cell battery
D) Simple cell battery

4. What is the enthalpy change in the reaction, 2CO+O₂ →2CO₂ called?

A) Enthalpy of combustion
B) Enthalpy of formation
C) Enthalpy of fusion
D) Enthalpy of reaction

5. Which one of the following complex ions gives tetrahedral geometry ?

A) [Ni (CN)₄ ]2-
B) [NiCl₄]2-
C) [PtCl₄]2-
D) [CoF₆]3-

6. Which of the following molecules does not act as a ligand ?

A) CO₂
B) NH₃
C) H₂O
D) CO

7. Which of the following is used to convert > C= O group to -CH₂– ?

A) Ni/ H₂ /
B) LiAlH₄ /
C) Zn-Hg/ HCl /
D) Pd/ H₂ /

8. Benzoic acid gives benzene on being heated with ‘X’ and phenol gives benzene on being heated with ‘Y’. Therefore, X and Y are respectively:

A) Sodalime and copper
B) Zn dust and NaOH
C) Zn dust and sodalime
D) Sodalime and Zn dust

9. CH₃Cl —Alc. AgCN→(A) —LiAlH₄ →(B), what would be the product B ?

A) Methanamine
B) Ethanamine
C) N – methyl methanamine
D) N-methyl ethanamine

10. When the compound sodium ethoxide reacts with chloroethane, it gives the compound C₄H₁₀O. What reaction is this ?

A) Wurtz’s reaction
B) Williamson’s synthesis
C) Rosenmund’s reduction
D) Dehydrohalogination reaction

11. What would be the product when ketone is treated with Grignard’s reagent?

A) Primary alcohol
B) Secondary alcohol
C) Tertiary alcohol
D) Methyl alcohol

NEB Class 12 Chemistry General Stream MCQ Exam Paper 2081-2024.

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