Metals and Non-metals Multiple Choice Questions and Answers for Practice

16. The most reactive of the following metals is

1. Ca
2. Al
3. Ni
4. Pb

17. Metals can be hammered into thin sheets. This property is called

1. Density
2. Malleability
3. Ductility
4. Strength

18. Metals are malleable and ductile because

1. Metals can be shine
2. Metals produce sound
3. Layers of metal atoms can slip over each other
4. Atoms form close clusters

19. Metal which is the best conductor of electricity

1. Nickel
2. Silver
3. Gold
4. Sodium

20. The colour of iodine is

1. Violet
2. Green
3. White
4. Brown

21. The nonmetal which exhibits yellow colour is

1. Silicon
2. Phosphorous
3. Sulphur
4. Carbon

22. The non metal which is hard is

1. Sulphur
2. Chlorine
3. Graphite
4. Diamond

23. Which of the following is a property of nonmetals?

1. Low densities
2. Low melting points
3. Poor conductor of electricity
4. All the three

24. The nonmetal which is a liquid at room temperature is

1. Chlorine
2. Nitrogen
3. Bromine
4. Hydrogen

25. Metal which does not react with HCl is

1. Ag
2. Mg
3. Al
4. Fe

26. Metal which reacts vigorously with HCl to produce salt and hydrogen is

1. Na
2. Zn
3. Sn
4. Pb

27. The nonmetal capable of gaining as well as losing an electron is

1. Hg
2. Ca
3. Ag
4. H

28. The metal with which hydrogen reacts to form metal hydride is

1. Hg
2. Ca
3. Ag
4. H

29. Nonmetals combine with oxygen to produce

1. Acidic oxides
2. Basic oxide
3. Amphoteric oxide
4. None of these

30. Phosphorous combine with oxygen to form _____ types of oxides

1. Three
2. Two
3. One
4. Four