CBSE Class 12 Chemistry Worksheet Set 05 Solved

Official Class 12 Chemistry Worksheets: All Chapters

Review targeted practice sets for Class 12 Chemistry All Chapters. Built according to official educational guidelines for the 2026-27 academic year, these downloadable worksheets support daily revision and core concept reinforcement.

Chapter-wise Practice Material: All Chapters

Navigate directly to the printable exercises for All Chapters using the digital viewer below. Each practice set allows students to isolate specific topics for thorough review and uninterrupted practice alongside standard textbooks.

1. Draw the structure of a noble gas species which is isostructural with BrO3– 
 
2. Complete and balance the following equation.
AgNO3 + H2O + H3PO2  →
 
3. PH3 forms bubbles when passed slowly in water, but NH3 dissolves. Why? 
 
4. When concentrated sulphuric acid was added to an unknown salt present in a test tube, a brown gas (A) was evolved. The evolution of gas was intensified when copper turnings were added to this test tube. On cooling, the gas (A) changed into a colourless solid (B).
a) Identify (A) and (B).
b) Why does gas (A) change to solid (B) on cooling?
 
5. How is ozone estimated quantitatively? 
 
6. Write balanced chemical equations for the following.
a) XeF2 undergoes hydrolysis
b) Reaction of thionyl chloride with white phosphorus
 
7. Draw the structures of the following,
a) HOClO2
b) H2S2O7
 
8. Arrange the following in the increasing order of property mentioned;
a) NH3, PH3, AsH3, SbH3 (Bond angle)
b) F2, Cl2, Br2, I2 (Bond dissociation enthalpy)
c) H2Te,H2S,H2Se,H2O (Acidic character)
 
9. Account for the following.
a) Nitrous acid is an oxidant as well as reductant.
b) Finely powdered iron dissolves in HCl to form FeCl2 and not FeCl3.
c) ICl is more reactive than I2
 
10. Explain the manufacture of sulphuric acid by Contact process with equations


Please click on below link to download CBSE Class 12 Chemistry Worksheet Set E Solved

Free study material for Chemistry

Download CBSE Practice Material: Class 12 Chemistry All Chapters

CBSE Practice Material: Class 12 Chemistry All Chapters

Explore reliable practice questions for All Chapters tailored for Class 12 Chemistry learners. Use these structured worksheets to evaluate preparedness and strengthen problem-solving skills.

NCERT-Aligned Questions and Solutions

Each worksheet is structured around standard CBSE textbooks, allowing students to check their working steps and correct mistakes early in their revision.

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FAQs

Where can I download the latest PDF for CBSE Class 12 Chemistry Worksheet Set 05 Solved?

You can download the teacher-verified PDF for CBSE Class 12 Chemistry Worksheet Set 05 Solved from StudiesToday.com. These practice sheets for Class 12 Chemistry are designed as per the latest CBSE academic session.

Are these Chemistry Class 12 worksheets based on the 2026-27 competency-based pattern?

Yes, our CBSE Class 12 Chemistry Worksheet Set 05 Solved includes a variety of questions like Case-based studies, Assertion-Reasoning, and MCQs as per the 50% competency-based weightage in the latest curriculum for Class 12.

Do you provide solved answers for CBSE Class 12 Chemistry Worksheet Set 05 Solved?

Yes, we have provided detailed solutions for CBSE Class 12 Chemistry Worksheet Set 05 Solved to help Class 12 and follow the official CBSE marking scheme.

How does solving CBSE Class 12 Chemistry Worksheet Set 05 Solved help in exam preparation?

Daily practice with these Chemistry worksheets helps in identifying understanding gaps. It also improves question solving speed and ensures that Class 12 students get more marks in CBSE exams.

Is there any charge for the Class 12 Chemistry practice test papers?

All our Class 12 Chemistry practice test papers and worksheets are available for free download in mobile-friendly PDF format. You can access CBSE Class 12 Chemistry Worksheet Set 05 Solved without any registration.