Ilm Gah Website is under maintenance! If you found any error please let us know. Contact Us ×

Important Questions, Chapter 4, 2nd Year Chemistry, FSc

SHARE:

All important short and long questions from the Chapter 4, 2nd Year Chemistry, FSc. That helps you to get good marks in board exams.

This chapter is important as short-wise. So most important short questions are separated from his chapter for you ease. Read them carefully and also tell friends to spread Ilm Gah Pakistan. Thanks

Short Questions

Q.1 Aqua regia dissolves gold and platinum. Why?

Q.2 Nitrous acid decolourises acidified KMnO4 and bromine water. Give reactions.

Q.3 What is ring test?

Q.4 Give two reactions in which H2SO4 acts as an oxidizing agent.

Q.5 Give two reactions for the preparation of phosphorus acid (H3PO3).

Q.6 Give four points of similarity of Oxygen and Sulphur.

Q.7 What is Aqua regia and how it dissolves noble metals?

Q.8 Name two allotropic forms of sulphur.

Q.9 Write down structure of N2O and NO2,

Q.10 Why is SO3 dissolved in H2SO4 and not in water?

Q.11 Complete the following reactions
 i) HNO3 + H2S --------->
ii) HNO3 + HI --------->

Q.12 Write the four applications of H2SO4.

Q.13 Write the chemical reactions which take place in contact chamber.

Q.14 How does HNO2 acts as reducing agent?

Q.15 How does P2O3 react with water in the cold and hot state?

Q.16 Prove that P2O5 is the dehydrating reagent.

Q.17 Write two reactions which show that H2SO4 acts as a dehydrating agent.

Q.18 Write four uses of HNO3.

Q.19 How does nitrogen differ from other elements of its group? Four points?

Q.20 Why is dinitrogen oxide called "Laughing Gas"?

Q.21 What happens when NO2 is dissolved in water?

Q.22 NO2 is strong oxidizing agent prove by giving examples?

Q.23 Write balanced equations for the reactions of HNO2 with 
 a) HI          b) CO(NH2)2

Q.24Give four points of dissimilarities of oxygen and sulphur.

Q.25 Why phosphorus forms PCl3 and PCl5?

Q.26 What happens when dinitrogen tetraoxide is heated?

Q.27 Give the definition of allotropy. Write allotropes of Phosphorus.

Q.28 How is H3PO4 prepared on a large scale?

COMMENTS

Name

Admissions,7,Agri-Jobs,1,Animated Moral Stories,2,Atomic-Jobs,1,California Scholarships,1,Canada Scholarships,2,Colleges,1,Computer,32,Conferences,5,CSS Agriculture,3,CSS Current Affairs,4,CSS Data,62,CSS Date Sheet,1,CSS English Essay,10,CSS Everyday Science,7,CSS General Knowledge,1,CSS History of Pakistan,2,CSS Islamiyat,4,CSS Pakistan Affairs,28,CSS Past Paper,59,Czech Scholarships,1,Data,5,Date Sheets,5,Derivative,2,Differentiate between,2,Differentiation,1,Employees,1,English1 FSc Notes,15,English3 FSc Notes,3,English4 FSc Notes,2,Entry Test,1,Essay Writing,3,Exchange Programs,3,Fellowships,4,firdous,1,Food Jobs,2,Form of Verbs,26,Fully Funded Scholarships,16,Funded,1,Germany Scholarships,1,Guess 2nd Year,10,HEC HAT Test,1,Important Questions Chemistry2 FSc,4,Important Questions Physics2 FSc,5,Integration,5,Inter Date Sheet,1,Internships,6,Italy Scholarships,1,Japan Scholarships,2,Jobs,15,Masters Scholarships,16,Moral-Stories,1,NAB-Jobs,1,Netherland Scholarships,1,Netherlands Scholarships,1,News-Updates,6,Novel,1,OP Questions Chemistry2 FSc,4,OP Questions Physics2 FSc,5,Partially Funded,2,PhD Scholarships,8,Presentations,2,Quotes,1,Results,12,Roll Number Slips,1,Scholarships,30,Singapore Scholarships,1,South Korea Scholarships,2,Statistics,6,Switzerland,1,Test Chemistry2 FSc,1,Tips,3,Training Programs,1,Turkey Scholarships,1,Undergraduate Scholarships,7,United Kingdom,2,Urdu Essays,1,USA Scholarships,4,Vacancies,1,Videos,2,Writting Tips,1,
ltr
item
Ilm Gah: Important Questions, Chapter 4, 2nd Year Chemistry, FSc
Important Questions, Chapter 4, 2nd Year Chemistry, FSc
All important short and long questions from the Chapter 4, 2nd Year Chemistry, FSc. That helps you to get good marks in board exams.
Ilm Gah
https://www.ilmgah.com/2016/05/important-questions-chapter-4-2nd-year.html
https://www.ilmgah.com/
https://www.ilmgah.com/
https://www.ilmgah.com/2016/05/important-questions-chapter-4-2nd-year.html
true
5949122430306054992
UTF-8
Loaded All Posts Not found any posts VIEW ALL Readmore Reply Cancel reply Delete By Home PAGES POSTS View All RECOMMENDED FOR YOU LABEL ARCHIVE SEARCH ALL POSTS Not found any post match with your request Back Home Sunday Monday Tuesday Wednesday Thursday Friday Saturday Sun Mon Tue Wed Thu Fri Sat January February March April May June July August September October November December Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec just now 1 minute ago $$1$$ minutes ago 1 hour ago $$1$$ hours ago Yesterday $$1$$ days ago $$1$$ weeks ago more than 5 weeks ago Followers Follow THIS PREMIUM CONTENT IS LOCKED STEP 1: Share to a social network STEP 2: Click the link on your social network Copy All Code Select All Code All codes were copied to your clipboard Can not copy the codes / texts, please press [CTRL]+[C] (or CMD+C with Mac) to copy