Metals and Non-Metals Worksheet-4

Metals and Non-Metals Worksheet-4

1. Identify the correct order of metal reactivity ,from the given options:

(a) Copper > Mercury > Sodium > Magnesium

(b) Potassium > Sodium > Calcium > Magnesium

(c) Sodium > Tin > Zinc > Magnesium

(d) Potassium > Calcium > Aluminum

2. The metal that will react with concentrated sulphuric acid on heating

(a) Platinum                                  (b) Copper

(c) Iron                                           (d) Both Copper and Iron

3. The metal that reacts most readily  with water among the options given is:

(a) Sodium        (b) Potassium   (c) Iron               (d) Magnesium

4. Carbon, a non metal is initially heated to burn in air. Yet burning of carbon is an exothermic reaction. The reason for this is:

(a) Heat is absorbed

(b) Heat is released initially

(c) There is a net release of heat energy

(d) Heat is released initially and then absorbed

5. Copper sulphate pentahydrate is also known as the blue vitriol. Copper sulphate cannot be stored in Iron containers. The reason behind this is

(a) Copper is more reactive than Iron

(b) Iron is more reactive than Copper

(c) Iron rusts

(d) The statement is not true

6. In the Haber’s process for the industrial production of ammonia, the catalyst used is:

(a) Platinum     (b) Palladium   (c) Copper         (d) Nickel

7. Metals produce sound when struck. This property of the metals is also known as:

(a) Ductility                                   (b) Combustibility

(c) Maleability                              (d) Sonority

8. Metals are generally good conductors of electricity. Identify the metal among the following which id not a good conductor of electricity:

(a) Bismuth       (b) Iron              (c) Aluminium (d) Platinum

9. Carbon is a non metal which has alloptropic forms. Identify the metal from the following options which has allotropic forms:

(a) Iron              (b) Tin                (c) Nickel           (d) Cobalt

10. Which of the non metals is used as an anticeptic in its alcoholic solution?

(a) Iodine           (b) Bromine      (c) Carbon         (d) Phosphorus

11. Bullet proof jackets are essential part of military combat operations. Which of the following metals is used to make bullet proof jackets?

(a) Titanium     (b) Zirconium   (c) Aluminium (d) Scandium

12. To avoid the disease of hypo and hyperthyroidism, a non metal  in its compound form is added along with the common salt. i.e. NaCl. Identify the non metal:

(a) Bromine                                   (b) Phosphorus

(c) Iodine                                        (d) Sulphur

13. The metal which is utilized in the electric bulb for making filaments is:

(a) Titanium     (b) Iron              (c) Nickel           (d) Chromium

14. The number of electrons contained in the outermost shell of a non metal is:

(a) 1, 2 or 3                                    (b) 8, 9 or 10

(c) 10, 20 or 30                             (d) 5, 6 or 7

15. The most common oxidation state shown by sodium metal is:

(a) 1                     (b) 2                    (c) 3                    (d) 4

Answer Key:

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