Exam Details
IIT JEE 1980
Review the key details, then start the test when you are ready. You can also open the full package to see related papers.
Questions
52
Duration
180 mins
Package
IIT-JEE Advance - Previous Year Papers
Paper pattern & analysis
Filter this paper by subject, topic or subtopic. Every graph updates from the selected questions.
Topic distribution
Subtopic distribution
Difficulty distribution
52questions
Medium
25
48.1%
Easy
25
48.1%
Hard
2
3.8%
Question type distribution
52questions
Multiple Choices
28
53.8%
Subjective
23
44.2%
Fill in the blanks
1
1.9%
Syllabus
Full Syllabus
Sample questions from this paper
Questions are selected across the paper subjects wherever the paper contains that variety.
1980 · Chemistry · Physical Chemistry · Some Basic Concepts Of Chemistry
IIT JEE 1980
A mixture contains NaCl and unknown chloride MCl.
(i) 1g of this is dissolved in water. Excess of acidified AgNO3 solution is added to it. 2.567 g of white ppt is formed.
(ii) 1 g of original mixture is heated to 300oC. Some vapours come out which are absorbed in acidified AgNO3 solution, 1.341 g of white precipitate was obtained.
Find the molecular weight of unknown chloride.
(i) 1g of this is dissolved in water. Excess of acidified AgNO3 solution is added to it. 2.567 g of white ppt is formed.
(ii) 1 g of original mixture is heated to 300oC. Some vapours come out which are absorbed in acidified AgNO3 solution, 1.341 g of white precipitate was obtained.
Find the molecular weight of unknown chloride.
Write your response
1980 · Physics · Mechanics · Laws Of Motion
IIT JEE 1980
A rocket moves forward by pushing the surrounding air backwards.
1980 · Mathematics · Algebra · Sequences And Series
IIT JEE 1980
The interior angles of a polygon are in arithmetic progression. The smallest angle is \({120^ \circ }\), and the common difference is \({5^ \circ }\), Find the number of sides of the polygon.
Write your response
1980 · Chemistry · Physical Chemistry · Some Basic Concepts Of Chemistry
IIT JEE 1980
(i). A sample of MnSO4.4H2O is strongly heated in air. The residue is Mn3O4.
(ii). The residue is dissolved in 100 ml of 0.1N FeSO4 containing dilute H2SO4.
(iii). The solution reacts completely with 50 ml of KMnO4 solution.
(iv). 25 ml of the KMnO4 solution used in step (iii) requires 30 ml of 0.1 N FeSO4 solution for complete reaction.
Find the amount of MnSO4.4H2O present in the sample.
(ii). The residue is dissolved in 100 ml of 0.1N FeSO4 containing dilute H2SO4.
(iii). The solution reacts completely with 50 ml of KMnO4 solution.
(iv). 25 ml of the KMnO4 solution used in step (iii) requires 30 ml of 0.1 N FeSO4 solution for complete reaction.
Find the amount of MnSO4.4H2O present in the sample.
Write your response
1980 · Physics · Mechanics · Work Power And Energy
IIT JEE 1980
Two masses of 1gm and 4 gm are moving with equal kinetic energies. The ratio of the magnitude of their linear momentum is
1980 · Mathematics · Algebra · Complex Numbers
IIT JEE 1980
Find the real values of x and y for which the following equation is satisfied \(\,{{(1 + i)x - 2i} \over {3 + i}} + {{(2 + 3i)y + i} \over {3 - i}} = i\)
Write your response