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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.

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Important Questions

1
MCQ1mModel Question

What product would be obtained if red hot copper wire reacts with steam?

A

$\text{CuO}$

B

$\text{Cu}_2\text{O}$

C

$\text{Cu}_2\text{O}_2$

D

2
MCQ1mModel Question · Set B

Which of the following metal forms amphoteric oxide?

A

Fe

B

Ni

C

Cu

D

Zn

3
MCQ1mModel Question · Set A

With which chemical does the mercury sticks to the surface of glass?

A

H₂O

B

CO₂

C

H₂

D

O₃

4
Short5mModel Question · Set B

Write the chemistry of corrosive sublimate.

1
MCQ1mModel Question

For which manufacturing process, Bessemer converter is used?

A

Pig iron

B

Steel

C

Wrought iron

D

Cast iron

2
ShortModel Question · 2078No solution yet

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.

a.
Short1m

Identify the metal M.

b.
Short1m

Write the reaction involved during calcination of X.

c.
Short1m

Write the action of the gas on acidified K₂Cr₂O₇.

d.
Short2m

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

YearQuestion ItemsMarks
20821—

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.