Toppers Study Toppers Study Toppers StudyGet complete NCERT Solutions for 8 Science 4. Materials : Metals And Non-Metals with detailed explanations. Easy-to-understand answers to help students study effectively and score better.
Get complete NCERT Solutions for 8 Science 4. Materials : Metals And Non-Metals with detailed explanations. Easy-to-understand answers to help students study effectively and score better.
Preparing for exams becomes easier with Additional Questions With Solutions. Whether you are studying for board exams or mid-term exams, 8 Science Chapter 4. Materials : Metals And Non-Metals solutions provide quick revising points, well-structured answers, and additional practice material to help you score better.
ncert_solutionsQ1: 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
Additional Questions With Solutions are created by experts to give step-by-step explanations. Around 60–70% of exam questions are based on NCERT concepts. Our 8 Science Chapter 4. Materials : Metals And Non-Metals solutions help you understand the core concepts and practice effectively.
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In short, Additional Questions With Solutions for 8 Science Chapter 4. Materials : Metals And Non-Metals are a complete study package. With quick revising points, NCERT exercises, and additional important questions, you can prepare effectively for exams. Make these solutions your study companion and excel in your academic journey.
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