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1. Which of the following can be beaten into thin sheets?
2. Which of the following statements is correct?
3. Which of the following methods is suitable for preventing an iron frying pan from rusting?
4. An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. The element is likely to be
5. Food cans are coated with tin and not with zinc because?
6. Metals generally have _____ number of electrons in their valence shell.
7. Nonmetals contain ______ number of electrons in their outmost shell.
8. Non metals form
9. To become stable, metals
10. Metals tends to form
11. Antimony and arsenic belong to the category of
12. Noble’s gases do not react because they have _______electrons in their valence shell.
13. As we go down in the electrochemical series of metals, the reactivity
14. The element present below hydrogen in electrochemical series is
15. The metal which can replace magnesium from its salt is
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
31. Nonmetals react with hydrogen to form
32. Mercury is used in thermometers because
33. ________ is used to make photographic films.
34. A crucible used in lab to heat solid at high temperature is made of
35. The nonmetal used to treat rubber in the process of vulcanizations
36. Due to its semiconductor properties, the nonmetal used in computers, TV, etc. is
37. In the native state of metal, it is present
38. Which of the following metal is present in native state?
39. Which of the following is called as noble metal?
40. Which of the following statement is true?
41. Haematite is an ore of
42. Copper, which is extracted from cuprites, is a / an
43. Which of the following is a carbonate ore of copper?
44. Which of the following are the ores of zinc?
45. The metal extracted from limestone, marble and chalk is
46. A homogeneous solid solution of two or more metals is
47. Extraction of copper is done from copper pyrite which contai small quantity of
48. The alloy in which copper is a component is
49. Copper and tin are components of
50. The alloy which contains aluminum is
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