MCQ questions for class 8 Science Chapter 4 Materials: Metals And Non Metals
Question 1: Which of the following is a metal?
Sulphur
Carbon
Aluminium
Phosphorus
Question 2: What is the term for the property of metals to be drawn into thin wires?
Malleability
Ductility
Conductivity
Brittleness
Question 3: Which of the following is a non-metal?
Iron
Copper
Sulphur
Aluminium
Question 4: What is the term for the property of metals to conduct electricity?
Malleability
Ductility
Conductivity
Brittleness
Question 5: Which of the following is a metalloid?
Sulphur
Silicon
Aluminium
Phosphorus
Question 6: What is the term for the process of coating a thin layer of zinc on iron objects to prevent them from rusting?
Galvanization
Anodizing
Tinning
Alloying
Question 7: Which of the following metals does not react with water or steam?
Sodium
Potassium
Calcium
Copper
Question 8: What is the term for the property of metals to be hammered into thin sheets?
Malleability
Ductility
Conductivity
Brittleness
Question 9: Which of the following is a property of non-metals?
High melting points
Ductility
Conductivity
Brittleness
Question 10: Which of the following metals is found in a free state?
Iron
Copper
Aluminium
Zinc
Question 11: What is the term for the property of metals to have a shining surface?
Malleability
Ductility
Conductivity
Lustre
Question 12: Which of the following is a property of metals?
Low melting points
Non-sonorous
Brittle
Malleable
Question 13: What is the term for the property of non-metals to be bad conductors of electricity?
Malleability
Ductility
Conductivity
Insulation
Question 14: Which of the following is a property of non-metals?
Malleability
Ductility
Conductivity
Brittleness
Question 15: What is the term for the property of metals to produce a ringing sound when struck?
Malleability
Ductility
Conductivity
Sonorous
Question 16: Which of the following is used as a corrosion-resistant coating on iron?
Galvanization
Anodizing
Tinning
Alloying
Question 17: What is the term for the process of depositing a thin layer of metal on an object to improve its appearance?
Galvanization
Anodizing
Tinning
Electroplating
Question 18: Which of the following non-metals is a gas?
Sulphur
Phosphorus
Carbon
Oxygen
Question 19: What is the term for a mixture of two or more metals?
Compound
Alloy
Mineral
Ore
Question 20: Which of the following is a metal?
Sulphur
Carbon
Gold
Phosphorus
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