CBSE Class 12 Chemistry 2014 Previous Year Board Question Paper (Set 3)
This is the CBSE Class 12 Chemistry (Theory) 2014 Main Exams Foreign-Set-3 previous year question paper in Hindi. The paper has a total of 30 questions divided into sections with varying marks. Questions 1 to 8 are very short-answer type carrying 1 mark each. Questions 9 to 18 are short-answer type carrying 2 marks each. Questions 19 to 27 are also short-answer type carrying 3 marks each. Finally, questions 28 to 30 are long-answer type carrying 5 marks each. The total marks for the paper are 70, and students are given 3 hours to complete it. Calculators are not permitted, but log tables can be used if necessary. Solving this board question paper is crucial for students to understand the exam pattern, difficulty level, and important topics, thereby improving their preparation and performance in the upcoming board examinations.
Quick info
| Board | CBSE |
|---|---|
| Class | 12 |
| Subject | Chemistry |
| Session | 2014 |
| Language | Hindi |
| Type | Previous Year Question Paper |
| Exam type | Board Exam |
Paper pattern
The paper consists of 30 questions divided into very short-answer (1 mark), short-answer (2 and 3 marks), and long-answer (5 marks) types. The total marks are 70, with a duration of 3 hours.
Topics covered
Paper topics
- Metallurgy
- Colloids
- Chemical Kinetics
- Coordination Compounds
- Organic Chemistry
- Electrochemistry
- Solid State
- Solutions
- Chemical Bonding
- Thermodynamics
- Equilibrium
- p-Block Elements
- d- and f-Block Elements
- Haloalkanes and Haloarenes
- Alcohols, Phenols and Ethers
- Aldehydes, Ketones and Carboxylic Acids
- Amines
- Biomolecules
- Polymers
- Chemistry in Everyday Life
Important topics
- Froth flotation process
- Micelles
- Rate of reaction
- Coordination compounds
- Isomerism
- Electrochemical cells
- Nernst equation
- Ideal and non-ideal solutions
- Henry's Law
- Factors affecting rate of reaction
- Oxidation states
- Crystal defects
- Types of polymers
- Reactions of alcohols
- Reactions of aldehydes and ketones
PDF preview
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Question paper text
Series OSR/2
कोड नं. 56/2/3
Code No.
रोल नं. परीक्षार्थी कोड को उत्तर-पुस्तिका के मुख-पृष्ठ
Roll No. पर अवश्य लिखें ।
Candidates must write the Code on the
title page of the answer-book.
कृपया जाँच कर लें कि इस प्रश्न-पत्र में मुद्रित पृष्ठ 15 हैं।
प्रश्न-पत्र में दाहिने हाथ की ओर दिए गए कोड नम्बर को छात्र उत्तर-पुस्तिका के मुख-पृष्ठ पर लिखें ।
कृपया जाँच कर लें कि इस प्रश्न-पत्र में 30 प्रश्न हैं।
कृपया प्रश्न का उत्तर लिखना शुरू करने से पहले, प्रश्न का क्रमांक अवश्य लिखें।
इस प्रश्न-पत्र को पढ़ने के लिए 15 मिनट का समय दिया गया है। प्रश्न-पत्र का वितरण पूर्वाह्न में 10.15 बजे किया जाएगा । 10.15 बजे से 10.30 बजे तक छात्र केवल प्रश्न-पत्र को पढ़ेंगे और इस अवधि के दौरान वे उत्तर-पुस्तिका पर कोई उत्तर नहीं लिखेंगे ।
Please check that this question paper contains 15 printed pages.
Code number given on the right hand side of the question paper should be written on the title page of the answer-book by the candidate.
Please check that this question paper contains 30 questions.
- Please write down the Serial Number of the question before attempting it.
15 minutes time has been allotted to read this question paper. The question paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the students will read the question paper only and will not write any answer on the answer-book during this period.
रसायन विज्ञान (सैद्धान्तिक) CHEMISTRY (Theory)
अधिकतम अंक : 70
निर्धारित समय : 3 घण्टे
Time allowed: 3 hours
Maximum Marks: 70
P.T.O.
56/2/3 1
सामान्य निर्देश:
(i) सभी प्रश्न अनिवार्य हैं ।
- प्रश्न-संख्या 1 से 8 तक अति लघु-उत्तरीय प्रश्न हैं । प्रत्येक प्रश्न के लिए 1 अंक है ।
- प्रश्न-संख्या 9 से 18 तक लघु-उत्तरीय प्रश्न हैं । प्रत्येक प्रश्न के लिए 2 अंक हैं ।
- प्रश्न-संख्या 19 से 27 तक भी लघु-उत्तरीय प्रश्न हैं । प्रत्येक प्रश्न के लिए 3 अंक हैं ।
- प्रश्न-संख्या 28 से 30 तक दीर्घ-उत्तरीय प्रश्न हैं । प्रत्येक प्रश्न के लिए 5 अंक हैं ।
- आवश्यकतानुसार लॉग टेबलों का प्रयोग करें । कैल्कुलेटरों के उपयोग की अनुमित नहीं है ।
General Instructions:
- All questions are compulsory.
- Questions number 1 to 8 are very short-answer questions and carry 1 mark each.
- Questions number 9 to 18 are short-answer questions and carry 2 marks each.
- Questions number 19 to 27 are also short-answer questions and carry 3 marks each.
- Questions number 28 to 30 are long-answer questions and carry 5 marks each.
- Use Log Tables, if necessary. Use of calculators is not allowed.
- फेन प्लवन विधि में ZnS और PbS के अयस्कों को पृथक् करने में प्रयुक्त अवनमक का नाम लिखिए ।
1 Name the depressant which is used to separate ZnS and PbS ores in froth floatation process.
- परिक्षिप्त प्रावस्था के प्रकार के आधार पर मिसेल (micelles) किस प्रकार के कोलॉइड होते हैं ?
1 Based on the type of dispersed phase, what type of colloid is micelles?
56/2/3 2
Frequently asked questions
What is this document?
This document is the CBSE Class 12 Chemistry 2014 Main Exams Foreign-Set-3 previous year board question paper in Hindi.
What is the total marks and duration for the Chemistry paper?
The Chemistry (Theory) paper is for a maximum of 70 marks and has a duration of 3 hours.
How are the questions structured in this paper?
The paper has 30 questions divided into very short-answer (1 mark), short-answer (2 and 3 marks), and long-answer (5 marks) categories.
Why is solving previous year question papers important for CBSE Class 12 students?
Solving previous year question papers helps students understand the exam pattern, marking scheme, and important topics, leading to better preparation and improved scores.
Are calculators allowed in the CBSE Class 12 Chemistry exam?
No, the use of calculators is not allowed in the CBSE Class 12 Chemistry exam. However, students may use log tables if necessary.
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