Frank Modern Certificate Solution for Class 9 Chemistry Chapter 11 - Practical Work
Frank Textbook Solutions Chapter 11 - Practical Work
Frank Textbook Solutions are considered extremely helpful for solving difficult questions in the ICSE Class 9 Chemistry exam. TopperLearning Textbook Solutions are compiled by our subject experts. Herein, you can find all the answers to the questions of Chapter 11 - Practical Work for the Frank textbook.
Frank Textbook Solutions for class 9 are in accordance with the latest ICSE syllabus, and they are amended from time to time to be most relevant. Our free Frank Textbook Solutions for ICSE Class 9 Chemistry will give you deeper insight on the chapters and will help you to score more marks in the final examination. ICSE Class 9 students can refer to our solutions while doing their homework and while preparing for the exam.
Frank Modern Certificate Solution for Class 9 Chemistry Chapter 11 - Practical Work Page/Excercise 170
On heating certain solids they don't melt and directly get converted to their gaseous form, this process of direct conversion of solids to their gaseous form is called as sublimation. For ex: camphor and ammonium chloride undergo sublimation.
Decrepitation is a process of breaking up of solid particles on heating, which makes a crackling sound. Lead nitrate decrepitate on heating.
(a) Zn(NO)3 = white
(b) Cu(NO3)2 = blue
(c) CuSO4.5H2O = blue
(d) CuSO4 = pale green
(e) K2Cr2O7 = orange
(f) PbS = black
(a) Rotten egg
(b) Burning sulphur
(c) Nitrogen dioxide
Point sources of water pollution: Sources of water pollution that discharge directly into the water source are called as point sources of water pollution.
For ex: factories
Non point sources of water pollution: sources of water pollution that remain scattered and don't have specific locations for the discharge of pollutants into particular water bodies are called as non point sources of water pollution.
For ex: run off from fields.
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TopperLearning provides step-by-step solutions for each question in each chapter in the Frank textbook recommended by ICSE schools. Access Chapter 11 - Practical Work here. Our Frank Textbook Solutions for ICSE Class 9 Chemistry are designed by our subject matter experts. These solutions will help you to revise the whole chapter, so you can clear your fundamentals before the examination.