Science Practice Quiz 35

Q1.Which of the following non-metals conducts electricity?

A. Sulphur B. Graphite C. Phosphorus D. Oxygen

Q2.Which of the following is NOT a characteristic property of metals?

A. They are lustrous. B. They are malleable and ductile. C. They are good conductors of heat and electricity. D. They are generally bad conductors of heat and electricity.

Q3.How do metals typically form positive ions?

A. By gaining electrons from non-metals. B. By losing electrons to non-metals. C. By sharing electrons with other metals. D. By reacting with acids to release hydrogen.

Q4.How do non-metals typically form ions when reacting with metals?

A. By losing electrons to form positively charged ions B. By gaining electrons to form negatively charged ions C. By sharing electrons to form neutral compounds D. By losing protons to form negatively charged ions

Q5.What is the nature of oxides formed by non-metals?

A. Always basic B. Always amphoteric C. Either acidic or neutral D. Always highly reactive

Q6.Which of the following statements is true regarding non-metals' reaction with dilute acids?

A. Non-metals readily displace hydrogen from dilute acids B. Non-metals react with dilute acids to form salts and water C. Non-metals do not displace hydrogen from dilute acids D. Non-metals form hydrides when reacting with dilute acids

Q7.What is formed when non-metals react with hydrogen?

A. Oxides B. Hydrides C. Acids D. Salts

Q8.Which of the following pairs will give a displacement reaction?

A. NaCl solution and copper metal B. MgCl2 solution and aluminium metal C. FeSO4 solution and silver metal D. AgNO3 solution and copper metal

Q9.Which of the following methods is suitable for preventing an iron frying pan from rusting?

A. Applying grease B. Applying paint C. Applying a coating of zinc D. All of the above

Q10.According to the provided text, in what forms is carbon considered to be of immense significance to us?

A. Only in its elemental form. B. Only in its combined form. C. In both its elemental and combined forms. D. Primarily as a noble gas.

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Science Practice Quiz 35