RPSC Junior Chemist Exam Pattern 2025

Exam Pattern Overview

The RPSC Junior Chemist Exam is conducted by the Rajasthan Public Service Commission (RPSC) for recruitment to 16 posts in the Public Health Engineering Department (PHED). The selection process consists of a written examination (150 marks) followed by an interview (15 marks). The final merit list is prepared based on the combined scores of both stages.

Key Highlights:

Exam Mode: Offline/Online (Objective Type)
Total Marks: 165 (Written: 150 + Interview: 15)
Negative Marking: Applicable (1/3 mark deducted for each wrong answer)
Duration: 2 hours and 30 minutes for the written exam
Medium: English (as per RPSC norms)

Paper Structure

The RPSC Junior Chemist written examination consists of one paper divided into two parts:

Part	Subject	Number of Questions	Marks	Duration
A	General Knowledge of Rajasthan	40	40	2 Hours & 30 Minutes
B	Concerned Subject (Chemistry)	110	110
Total		150	150

Note:

The detailed syllabus for both parts will be released separately on the RPSC official website.
All questions are multiple-choice type (MCQs).

Marking Scheme

Written Examination:

Total Marks: 150
Correct Answer: +1 mark
Wrong Answer: -1/3 mark (Negative Marking)
Unattempted Question: No marks deducted if Option 5 is selected. If no option is selected, 1/3 mark is deducted.

Interview:

Total Marks: 15
Eligibility: Candidates securing the minimum qualifying marks (as decided by RPSC) in the written exam will be called for the interview.

Important:

The final selection is based on the combined marks of the written exam and interview.
RPSC reserves the right to normalize/scale marks if required.

Time Duration

Written Exam: 2 hours and 30 minutes (150 minutes)
Interview: Duration not specified (typically 15-30 minutes per candidate)

Exam-Day Instructions:

Candidates must darken the correct bubble on the OMR sheet using a blue ballpoint pen.
Option 5 must be selected for unattempted questions to avoid negative marking.
An extra 10 minutes is provided after the exam to verify bubble selections.
Candidates with more than 10% unattempted questions (without selecting Option 5) will be disqualified.

Exam-Day Tips for RPSC Junior Chemist

Before the Exam:

Document Checklist:
- Admit Card (E-Admit Card): Download from the RPSC website.
- Photo ID Proof: Aadhar Card, Voter ID, or Passport (original and photocopy).
- Photograph: Recent passport-sized photograph (same as uploaded in the application).
Stationery:
- Blue Ballpoint Pen (mandatory for OMR sheet).
- Pencil and Eraser (for rough work).
Prohibited Items:
- Mobile phones, calculators, smartwatches, or any electronic devices.
- Study materials, notes, or books.
Dress Code:
- Wear comfortable clothing (avoid accessories or jewelry).
- Follow RPSC guidelines for dress code.

During the Exam:

Time Management:
- Allocate 1 minute per question (150 questions in 150 minutes).
- Spend the last 10 minutes verifying bubble selections.
Negative Marking Strategy:
- Avoid random guessing. Only attempt questions you are 90% sure about.
- For unattempted questions, select Option 5 to avoid penalties.
OMR Sheet Instructions:
- Darken only one bubble per question.
- Ensure bubbles are fully darkened (no half-marks).
- Do not overwrite or smudge bubbles.
Stay Calm:
- Read questions carefully to avoid misinterpretation.
- If stuck, move to the next question and return later.

After the Exam:

Answer Key:
- RPSC will release the official answer key on its website. Candidates can challenge discrepancies within the stipulated time.
Result:
- The final result will be published on the RPSC website.
- Selected candidates must submit original documents for verification.

Additional Information

Eligibility Criteria (Summary):

Educational Qualification:
- M.Sc. in Chemistry (Second Class) from a recognized university.
- Working knowledge of Hindi (Devanagari script) and Rajasthan Culture.
Age Limit (as of 01.01.2026):
- Minimum: 21 years
- Maximum: 40 years (relaxation applicable for reserved categories).

Application Process:

Application Period: 09.04.2025 to 08.05.2025 (12:00 AM).
Application Fee:
- General/OBC (Creamy Layer): ₹800
- Reserved Categories (SC/ST/OBC-NCL/EWS): ₹400
- PwD Candidates: ₹400
How to Apply:
- Submit the online application via the RPSC Recruitment Portal or SSO Rajasthan.
- Complete One Time Registration (OTR) before applying.