Chapter 4, Materials : Metals and Non-Metals | Class 8, Cbse Ncert Science Solutions | Model Questions with Answers

Class VIII, NCERT (CBSE) Science

MATERIALS: METALS AND NON-METALS

Additional Important Questions for Examination Preparation with Answers  

Very Short Answer Questions (VSQ)

Q.1: Name two metals which are both malleable and ductile.  

Q.2: Name a metal which exists in liquid state.

Q.3: Identify the most reactive and the least metal amongst the following:

K, Cu, Au.

Q.4: Which metal is used for making foils for packing of medicine tablets?

Q.5: Which metal is used for decorating sweets?

Q.6: Name a non-metal which is a good conductor of heat and electricity.

Q.7: Oxides of non-metals are generally of which nature?

Q.8: How do non-metals react with water?

Q.9: What is displacement reaction?

Q.10: Why silver does not displace hydrogen from dilute hydrochloric acid?

Short Answer Questions (SQ)

Q.11: What are Sonorous materials?

Q.12: Define: (1) Malleability (2) Ductility (3) Metals (4) Non-metals (5) Metalloids

Q.13: What is Rust ?

Q.14: What is an alloy? Describe.

Q.15: How do different metals react with water?

Long Answer Questions

Q.16: Why are utensils made of aluminium and brass?

Q.17: Give reasons:

(i) Iron is used in constructing bridges and houses.

(ii) Aluminium is used for making electrical wires.

(iii) Sulphur is counted as non-metal.

Q.18: Give some uses of non-metals.

Q.19: Compare the chemical properties of metals and non-metals.

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Materials : Metals and Non-Metals (further study)

Class 8, Cbse Ncert Science | Chapter 4, Materials : Metals and Non-Metals | Exercise Questions with Answers [Read]

CBSE Board Class VIII, Ncert Science Notes and MCQ | Materials : Metals and Non-Metals [Read]