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4. Materials : Metals And Non-Metals Science class 8 in English Medium ncert book solutions Additional Questions With Solutions
4. Materials : Metals And Non-Metals Additional Questions With Solutions – Complete NCERT Book Solutions for Class 8 Science (English Medium). Get all chapter explanations, extra questions, solved examples and additional practice questions for 4. Materials : Metals And Non-Metals Additional Questions With Solutions to help you master concepts and score higher.
4. Materials : Metals And Non-Metals Science class 8 in English Medium ncert book solutions Additional Questions With Solutions
NCERT Solutions for Class 8 Science play an important role in helping students understand the concepts of the chapter 4. Materials : Metals And Non-Metals clearly. This chapter includes the topic Additional Questions With Solutions, which is essential from both academic and examination point of view. The solutions provided here are prepared strictly according to the latest NCERT syllabus and follow the guidelines of CBSE to ensure accuracy and relevance. Each question is explained in a simple and student-friendly manner so that learners can grasp the concepts without confusion. These NCERT Solutions are useful for regular study, homework help, and exam preparation. All textbook questions are solved step by step to improve problem-solving skills and conceptual clarity. Students of Class 8 studying Science can use these solutions to revise important topics, understand difficult questions, and practise effectively before examinations. The chapter 4. Materials : Metals And Non-Metals is explained in a structured way, making it easier for students to connect the theory with the topic Additional Questions With Solutions. By studying these updated NCERT Solutions for Class 8 Science, students can build a strong foundation, boost their confidence, and score better marks in school and board exams.
4. Materials : Metals And Non-Metals
Additional Questions With Solutions
Additional Questions With Solutions
Q1: What is malleability?
Ans: The property of metals by which they can be beaten into thin sheets is called malleability.
Q2: What is ductility?
Ans: The property of metal by which it can be drawn into wires is called ductility.
Q3: What is sonorous?
Ans: Metals produce ringing sounds, They are said to be sonorous.
Q4: Define metals.
Ans: The materials which have the property of hard, malleable, ductile, sonorous and good conductor of heat and electricity. These are called metals.
Q5: Define non-metals.
Ans: Some materials are soft and dull and they break down into powdery mass on tapping with hammer. They are not sonorous and are poor conductors of heat and electricity. These materials are called non-metals. Examples of non-metals are sulphur, carbon, oxygen, phosphorus, etc.
Q6: What is the property of metallic oxide?
Ans: Basic in nature.
Q7:What is the property of non-metallic oxide?
Ans: Acidic in nature.
Q8: Complete the following reaction.
(i) Magnesium (Mg) + Oxygen (O2)® 2MGO.
(ii) Iron (Fe) + Oxygen (O2)+ Water (H2O) ® Fe3 O4 +2H2.
Q9: Why is phosphorous is stored in water?
Ans: Phosphorus is a very reactive non-metal. It catches fire if exposed to air. To prevent the contact of phosphorus with atmospheric oxygen, it is stored in water.
Q10: Which gas burns with Pop sound?
Ans: Hydrogen.
Q11: What does the ‘pop’ sound indicate?
Ans: The pop sound indicates the presence of hydrogen gas.
Q12: What is produced When Metals react with sodium hydroxide?
Ans: Metals react with sodium hydroxide to produce hydrogen gas.
Q13: Write the chemical formula of rust.
Ans: Fe2O3
See other sub-topics of this chapter:
1. Chapter Review 2. Text books exercise 3. Text Book Exercise 4. Additional Questions With Solutions 5. Additional Questions With Solutions