16. The most reactive of the following metals is
17. Metals can be hammered into thin sheets. This property is called
18. Metals are malleable and ductile because
19. Metal which is the best conductor of electricity
20. The colour of iodine is
21. The nonmetal which exhibits yellow colour is
22. The non metal which is hard is
23. Which of the following is a property of nonmetals?
24. The nonmetal which is a liquid at room temperature is
25. Metal which does not react with HCl is
26. Metal which reacts vigorously with HCl to produce salt and hydrogen is
27. The nonmetal capable of gaining as well as losing an electron is
28. The metal with which hydrogen reacts to form metal hydride is
29. Nonmetals combine with oxygen to produce
30. Phosphorous combine with oxygen to form _____ types of oxides
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