The Ambassador Academy Toba Tek Singh

10th Chemistry
Important Long Questions

Unit # 9:
1. Describe the reversible reaction with the help of an example.
2. What is meant by chemical equilibrium state? Give its types and explain
with examples. Draw a graph showing the establishment of dynamic
equilibrium state.
3. Give the macroscopic characteristics of forward and reverse reaction.
4. State the “law of mass of action” and derive the expression for the
equilibrium constant for the given/general reaction.
5. What is the importance of equilibrium constant?
Unit # 10:
1. Describe the physical properties of acids and bases. Also give examples
of acids and bases.
2. Explain the Arrhenius concept of acids and base.
3. Explain the bronsted lowry concept of acids and base.
4. Explain the lewis concept of acids and base.
5. Describe the uses of following:
1. Sulphuric Acid
2. Nitric Acid
3. Hydrochloric Acid
6. What are indicators? Explain how they are used to determine pH of
acidic, basic and neutral solutions.
7. How can you classify salts into different types? Give their names and
examples.
Unit # 11:
1. What are the formula types of organic compounds?
2. Write a detailed note on organic compounds.
3. What are the general characteristics organic compounds?
4. What is coal? How is a coal form? Write down the composition and uses
of types of coal.
5. What is meant by destructive distillation of coal? Name the products
obtained from the destructive distillation of coal.
6. Give some uses of organic compounds in daily life.
7. What is meant by homologous series? Write down the characteristics of
homologous series?
8. What is functional group? Explain the functional groups of
alcohols,ethers, aldehydes, ketones, cardoxylic acids, esters etc.
Unit # 12:
1. What are hydrocarbons? How are they classified?
2. Give the method of preparation of alkanes.
3. Give uses of methane, ethane, ethane and ecetylene.
4. Give chemical reaction of alkanes and alkenes.
5. Give method for preparation of alkenes.
Unit # 13:

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انسر شیٹ کے دوسرے صفحے پر آپ نے دوبارہ اپنا نام، رول نمبر اور دیگر ضروری معلومات درج کرنی ہوتی ہیں۔ اس صفحے کا ایک نمونہ آپ کے ساتھ شیئر کیا جا رہا ہے، جس میں اوپر اور نیچے دی گئی اہم ہدایات کو نمایاں (سرکل) کر دیا گیا ہے۔
آپ سے گزارش ہے کہ امتحان میں کسی بھی قسم کی پریشانی سے بچنے کے لیے ان ہدایات کو پہلے ہی اچھی طرح پڑھ لیں، کیونکہ عین امتحان کے دوران آپ کے پاس انہیں غور سے پڑھنے کے لیے وقت نہیں ہوگا۔
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