Class 12 Chemistry Study of Heavy Metals Notes and Important Questions
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Notes for Class 12 Study of Heavy Metals (Chemistry) are shown above.
Practice
Important Questions
What product would be obtained if red hot copper wire reacts with steam?
$\text{CuO}$
$\text{Cu}_2\text{O}$
$\text{Cu}_2\text{O}_2$
Which of the following metal forms amphoteric oxide?
Fe
Ni
Cu
Zn
With which chemical does the mercury sticks to the surface of glass?
H₂O
CO₂
H₂
O₃
Write the chemistry of corrosive sublimate.
For which manufacturing process, Bessemer converter is used?
Pig iron
Steel
Wrought iron
Cast iron
X is an ore of a metal M. X on calcination gives black precipitate (W) of metal oxide which belongs to group II of basic radicals in qualitative analysis. X on roasting gives the metal (M) and a gas as major byproduct. The gas when passed through an acidified K₂Cr₂O₇ solution turns green.
Identify the metal M.
Write the reaction involved during calcination of X.
Write the action of the gas on acidified K₂Cr₂O₇.
Convert metal X into its vitriol.
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Exam
Past Question Analysis
Historical exam-pattern data from past NEB question papers — not a prediction of future questions.
1
Question Items
0
Total Marks
1
Papers Appeared In
| Year | Question Items | Marks |
|---|---|---|
| 2082 | 1 | — |
Also appears in 10 model questions (not counted above — model sets aren't actual NEB exam history).
This chapter provides a detailed study of important heavy metals including copper, zinc, mercury, iron and silver. It covers their occurrence, extraction, properties, important compounds, uses and industrial processes such as steel manufacturing and corrosion prevention.
This page covers Study of Heavy Metals, chapter 8 of 22 in the Class 12 Chemistry syllabus set by the National Examination Board (NEB). 11 important questions for this chapter are available, each with a full solution.
For numerical and derivation-based chapters like this one, working through past NEB questions is usually more useful than re-reading notes alone — try solving each important question above before checking the solution, then compare your working step by step.