Daily Practice Problems Metals and Non-metals

Question 1:

Where are sodium, magnesium and aluminium placed in reactivity series? By which process they are obtained from their ores?

Question 2:

Give the reaction of Al & Zn with steam.

Question 3:

Which of the following element does not react with dil. HCl?

1) Fe

2) Al

3) Cu

4) Zn

Question 4:

Define:

1) Roasting

2) Calcination

Question 5:

What is thermit reaction? Give its application.

Question 6:

Define:

1) Ore

2) Gangue

Question 7:

Aqua regia is a freshly prepared mixture of concentrated nitric acid and concentrated hydrochloric acid in the ratio of

a) 1:3

b) 3:1

c) 1:2

d) 2:1

Question 8:

Write the balanced equation involved:

1) Sodium reacts with water?

2) Aluminium oxide reacts with HCl?

Question 9:

How Mercury is extracted from its ore Cinnabar? Give chemical reactions involved.

Question 10:

Name the following:

(i) Metal that can be cut by knife

(ii) Lustrous non-metal

(iii) Non-metal that exists in liquid state at room temperature

(iv) Most malleable and ductile metal

(v) Metal that is best conductor of heat

(vi) Non-metal that can exist in different forms

Question 11:

What is an alloy? How it is prepared?

Question 12:

Solder is an alloy of

1) Cu & Sn

2) Pb & Sn

3) Cu & Zn

4) Fe & Sn

Question 13:

State with reason any three characteristics of the Electrovalent compounds.

Question 14:

You might have noted that when copper powder is heated in a china dish, the reddish brown surface of copper powder becomes coated with a black substance. What is this black substance? How can the black coating on the surface be turned reddish brown?

Question 15:

An ore on treatment with dilute hydrochloric acid produces brisk effervescence. Name the type of ore with one example.

Question 16:

What happens when zinc granules are added to freshly prepared ferrous sulphate solution? Give reason for your answer.

Question 17:

List in tabular form three chemical properties on the basis of which we can differentiate between a metal and non-metal.

Question 18:

Give reasons:

(a) Platinum, gold and silver are used to make jewellery.

(b) Metals like sodium and potassium are neither kept open nor in water but stored under oil.

Question 19:

Silver articles become black when kept in open for some time, whereas copper vessels lose their shiny brown surfaces and gain a green coat when kept in open. Name the substances present in air with which these metals react and write the name of the products formed.

Question 20:

What are amphoteric oxides? Give an example. Write balanced chemical equations to justify your answer.

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Application of Knowledge: Problem-solving allows you to apply the theoretical concepts of the topic Class 10 Science Metals and Non-metals 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.
Understanding Deeper Concepts: When you encounter problems related to a theoretical concept that you learned in Class 10 Science Metals and Non-metals NCERT Chapter 3, 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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Retention and Recall: Actively engaging in problem-solving reinforces your memory and improves long-term retention. Applying the concepts learned in Metals and Non-metals Class 10 Science in practical scenarios helps you remember them better than passive reading or memorization.
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 Metals and Non-metals Class 10 Science Notes on LearnoHub.com
Boosting Confidence: Successfully solving problems after learning a theoretical concept boosts your confidence in your abilities to handle Metals and Non-metals. This confidence motivates you to tackle more challenging tasks and improves your overall performance in the subject.
Preparation for Exams and Challenges: Many exams, especially in science, mathematics, and engineering, involve problem-solving tasks. Regular practice in problem-solving prepares you to face these exams with confidence and perform well. It is also advised to take tests on Metals and Non-metals Class 10 Science Online Tests at LearnoHub.com.
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.
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.
Improving Decision Making: Problem-solving involves making decisions based on available information and logical reasoning. Practicing problem-solving enhances your decision-making skills, making you more effective in making informed choices.

In summary, problem-solving after learning a theoretical concept on CBSE Metals and Non-metals Class 10 Science 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 Class 10 Science Metals and Non-metals NCERT Chapter 3

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 Class 10 Science Metals and Non-metals NCERT Chapter 3 useful.

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