Daily Practice Problems
ICSE 8 Chemistry
Language of Chemistry
daily practice problem

Question 1:

Valency of permanganate in KMnO4 is

(a) 1

(b) 2

(c) 3

(d) 4 [Level: Moderate]

 

Question 2:

The formula of Copper (I) oxide is

(a) CuO

(b) Cu2O

(c) CuO2

(d) Cu2O4 [Level: Moderate]

 

Question 3:

Which of the following element’s symbol is derived from its latin name “Plumbum”?

(a) Tin

(b) Antimony

(c) Lead

(d) Graphite [Level: Moderate]

 

Question 4:

Which among the following pair of elements represent “element which is monoatomic” & “element present in liquid state at room temperature” respectively?

(a) He & Cl

(b) O & Br

(c) O & Hg

(d) He & Br [Level: Difficult]

 

Question 5:

Which among the following group of radicals are cations? 

(a) Ammonium, Dichromate, Potassium

(b) Ammonium, Permanganate, Sodium

(c) Ammonium, Tin, Lead

(d) Ammonium, Tin, Chloride [Level: Moderate]

 

Question 6:

Which among the following group of elements have valency “2”?

(a) Na, Ca, Cl

(b) Ca, O, Mg

(c) Ca, Cl, Mg

(d) Ca, O, K [Level: Moderate]

 

Question 7:

Which among the following radical is acid radical?

(a) Calcium

(b) Plumbite

(c) Ammonium

(d) Sodium [Level: Moderate]

 

Question 8:

In case of balanced chemical equation, which among the following is correct regarding the no. of atoms of each element?

(a) Reactants > Products

(b) Reactants < Products

(c) Reactants = Products

(d) Reactants ≥ Products [Level: Difficult]

 

Question 9:

Classify the below given radicals into acid & basic radicals.

Zincate, Plumbite, Ferric, Dichromate, Chloride, Calcium, Hydroxide [Level: Moderate]

 

Question 10:

Chemical formula of oleum is

(a) H2SO4

(b) H2S2O6

(c) HSO3

(d) H2S2O7 [Level: Difficult]

 

Question 11:

Write the valencies of first 20 elements. [Level: Easy]

 

Question 12:

Which among the following is a radical which contains Oxygen & Hydrogen only?

(a) Hydroxide

(b) Ammonium

(c) Permanganate

(d) Hydride [Level: Easy]

 

Question 13:

Write a balanced chemical equation for following word equation:

Magnesium + dil. Sulphuric acid à Magnesium sulphate + Hydrogen [Level: Easy]

 

Question 14:

Substance which improves the efficiency of catalyst is

(a) reactants

(b) products

(c) demoter

(d) promoter [Level: Difficult]

 

Question 15:

Which among the following is incorrectly balanced chemical equation?

(a) 2Mg + O2 à 2MgO

(b) N2 + 3H2 à 2NH3

(c) Na + H2O à NaOH + H2

(d) 4P + 5O2 à 2P2O5 [Level: Moderate]

 

Question 16:

Which information cannot be gathered from a balanced chemical equation?

(a) Substances taking part in reaction & new substances formed.

(b) No. of reactant molecules/atoms reacting with each other to form particular no. of product molecules/atoms

(c) Mass of reactant & products can be calculated

(d) State of the reactants & products [Level: Difficult]

 

Question 17:

Which symbols you would use in the following cases:

(a) one of the products is a gas

(b) one of the products is precipitate [Level: Easy]

 

Question 18:

P2O5 + H2O à H3PO4

Write the correct balanced equation. [Level: Moderate]  

 

Question 19:

The valency of aluminium is 3. What is the valency of other radical in Aluminium oxide? [Level: Moderate]

 

Question 20:

State the law of conservation of mass [Level: Easy]

**********

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  1. Application of Knowledge: Problem-solving allows you to apply the theoretical concepts of the topic ICSE 8 Chemistry Language of Chemistry you have learned to real-life situations. It helps you bridge the gap between abstract knowledge and practical scenarios, making the learning more relevant and meaningful.
  2. Understanding Deeper Concepts: When you encounter problems related to a theoretical concept that you learned in ICSE 8 Chemistry Language of Chemistry NCERT Chapter 5, you are forced to delve deeper into its intricacies. This deeper understanding enhances your comprehension of the subject and strengthens your grasp of the underlying principles.
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  4. Retention and Recall: Actively engaging in problem-solving reinforces your memory and improves long-term retention. Applying the concepts learned in Language of Chemistry ICSE 8 Chemistry in practical scenarios helps you remember them better than passive reading or memorization.
  5. Identifying Knowledge Gaps: When you attempt to solve problems, you may encounter areas where your understanding is lacking. These knowledge gaps become evident during problem-solving, and you can then focus on filling those gaps through further study and practice. You can refer Language of Chemistry ICSE 8 Chemistry Notes on LearnoHub.com
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  8. Enhancing Creativity: Problem-solving often requires thinking outside the box and exploring various approaches. This fosters creativity and innovation, enabling you to come up with novel solutions to different problems.
  9. Life Skills Development: Problem-solving is a valuable life skill that extends beyond academics. It equips you with the ability to tackle various challenges you may encounter in personal and professional life.
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In summary, problem-solving after learning a theoretical concept on CBSE Language of Chemistry ICSE 8 Chemistry is an essential part of the learning process. It enhances your understanding, critical thinking abilities, and retention of knowledge. Moreover, it equips you with valuable skills that are applicable in academic, personal, and professional contexts.

You must have heard of the phrase “Practice makes a man perfect”. Well, not just a man, practice indeed enhances perfection of every individual.

Practicing questions plays a pivotal role in achieving excellence in exams. Just as the adage goes, "Practice makes perfect," dedicating time to solve a diverse range of exam-related questions yields manifold benefits. Firstly, practicing questions allows students to familiarize themselves with the exam format and types of problems they might encounter. This familiarity instills confidence, reducing anxiety and improving performance on the actual exam day. Secondly, continuous practice sharpens problem-solving skills and enhances critical thinking, enabling students to approach complex problems with clarity and efficiency. Thirdly, it aids in identifying weak areas, allowing students to focus their efforts on improving specific topics. Moreover, practice aids in memory retention, as active engagement with the material reinforces learning. Regular practice also hones time management skills, ensuring that students can allocate appropriate time to each question during the exam. Overall, practicing questions not only boosts exam performance but also instills a deeper understanding of the subject matter, fostering a holistic and effective learning experience.

All About Daily Practice Problems on ICSE 8 Chemistry Language of Chemistry NCERT Chapter 5

Our Daily Practice Problems (DPPs) offer a diverse range of question types, including Multiple Choice Questions (MCQs) as well as short and long answer types. These questions are categorized into Easy, Moderate, and Difficult levels, allowing students to gradually progress and challenge themselves accordingly. Additionally, comprehensive solutions are provided for each question, available for download in PDF format - Download pdf solutions as well as Download pdf Questions. This approach fosters a holistic learning experience, catering to different learning styles, promoting self-assessment, and improving problem-solving skills. With our well-structured DPPs, students can excel in exams while gaining a deeper understanding of the subject matter. Hope you found the content on ICSE 8 Chemistry Language of Chemistry NCERT Chapter 5 useful.

Last but not least, to get the best hold on ICSE 8 Chemistry Language of Chemistry NCERT Chapter 5, do not forget to check out:

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  • Language of Chemistry ICSE 8 Chemistry DPPs, Download PDF of solutions
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