Metals and Non-Metals Worksheet-6

Metals and Non-Metals Worksheet-6

1. Noble gases do not react because they have _____ electrons in their valence shell.

(a) 3                    (b) 6                    (c) 1                     (d) 8

2. The element present below hydrogen in electrochemical series is:

(a) Mg                (b) Hg                 (c) Pb                  (d) Sn

3. The metal which can replace magnesium from its salt is:

(a) Ca                 (b) Al                  (c) Zn                  (d) Fe

4. The most reactive of the following metals is:

(a) Ca                 (b) Al                  (c) Ni                  (d) Pb

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

(a) density                                      (b) malleability

(c) ductility                                    (d) strength

6. Which metal is the best conductor of electricity?

(a) nickel           (b) silver            (c) gold               (d) sodium

7. The colour of iodine is:

(a) violet            (b) green            (c) white            (d) brown

8. The nonmetal which exhibits yellow colour is:

(a) silicon                                       (b) phosphorus

(c) sulphur                                     (d) carbon

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

(a) Low densities

(b) Low melting points

(c) Poor conductor of electricity

(d) All the these

10. The nonmetal which is a liquid at room temperature is:

(a) chlorine       (b) nitrogen       (c) bromine       (d) hydrogen

11. Metal which does not react with HCl is:

(a) Ag                 (b) Mg                (c) Al                   (d) Fe

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

(a) Na                 (b) Zn                 (c) Sn                  (d) Pb

13. Cu + HCl – ______

(a) react vigorously                      (b) no reaction

(c) react modestly                        (d) react slowly

14. The metal with which hydrogen reacts to form metal hydride is:

(a) Hg                 (b) Ca                 (c) Ag                  (d) H

15. Nonmetals combine with oxygen to produce:

(a) acidic oxides                           (b) basic oxide

(c) amphoteric oxide                   (d) none of these

Answer Key:

(1)-(d); (2)-(b); (3)-(a); (4)-(a); (5)-(b); (6)-(b); (7)-(a); (8)-(c); (9)-(d); (10)-(c); (11)-(a); (12)-(a); (13)-(b); (14)-(b); (15)-(a)