3. Metals and Non-metals Class 10 Science [LATEST] Solutions Additional Questions With Solutions in English - CBSE Study
NCERT Solutions for Class 10 Science are carefully prepared according to the latest CBSE syllabus and NCERT textbooks to help students understand every concept clearly. These solutions cover all important 3. Metals and Non-metals with detailed explanations and step-by-step answers for better exam preparation. Each Additional Questions With Solutions is explained in simple language so that students can easily grasp the fundamentals and improve their academic performance. The study material is designed to support daily homework, revision practice, and final exam preparation for Class 10 students. With accurate answers, concept clarity, and structured content, these NCERT solutions help learners build confidence and score higher marks in their examinations. Whether you are revising a specific topic or preparing an entire chapter, this resource provides reliable and syllabus-based guidance for complete success in Science.
Class 10 English Medium Science All Chapters:
3. Metals and Non-metals
4. Additional Questions With Solutions
Additional Questions With Solutions:
Q1: What is malleability?
Ans: Some metals can be beaten into thin sheets. This property is called malleability. Ex. – gold , Silver.
Q2: What is ductility?
Ans: The ability of metals to be drawn into thin wires is called ductility. Such a metal is called ductile metal. Ex. – gold and silver.
Q3: What is sonorous?
Ans: The metals that produce a sound on striking a hard surface are said to be sonorous.
Q4: Why are school bells made of metals?
Ans: The metals have a property of sonorous; they produce sound on striking a hard surface, so the school bells are made of metals.
Q6: Name two metals which melt to keep them on your palm.
Ans: Gallium and caesium.
Q7: Name a allotrope of carbon which is good conductor of electricity.
Ans: Graphite.
Q8: What do non metals produce when dissolve in water.
Ans: They produce acidic oxides.
Q11: What is anodising?
Ans: Anodising is a process of forming a thick oxide layer of aluminium.
Q13: What is done with the article to protect the further corrosion?
Ans: Anodising.
Q18: Name the metals which float in water.
Ans: Calcium and magnesium.
Q19: Why do Calcium and magnesium float in water?
Ans: Calcium and magnesium start floating because the bubbles of hydrogen gas formed stick to the surface of the metals.
Q20: Name two metals which do not react with hot or cold water but react with steam.
Ans: Aluminium and Iron.
Q21: What is the nature of metallic oxide?
Ans: Basic.
Q22: What is the nature of non-metallic oxide?
Ans: Acidic.
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