Metals and Non-Metals Worksheet-1

Metals and Non-Metals Worksheet-1

1. Read the given statements and select the correct option.

Statement 1: Lemon pickle can be stored in an aluminium jar.

Statement 2: Aluminium jars enhance the flavour of the pickle.

(a) Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.

(b) Both statements 1 and 2 are true but statement 2 is hot the correct explanation of statement 1.

(c) Statement 1 is true and statement 2 is false.

(d) Both statements 1 and 2 are false.

2. Read the given statements and select the correct option.

Statement 1: When sodium metal reacts with oxygen and water, a lot of heat is generated.

Statement 2: Sodium metal is stored in kerosene.

(a) Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1

(b) Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1

(c) Statement 1 is true and statement 2 is false

(d) Both statements 1 and 2 are false.

3. The sulphate of copper is blue in color.

Likewise the color of the sulphate of iron is

(a) Blue              (b) Green           (c) Red               (d) White

4. The metals have a characteristic luster. The non metal which also has a metallic luster among the following is

(a) Iodine                                       (b) Sulphur

(c) Phosphorus                             (d) Flourine

5. Sulphanilamide exhibits antibacterial property, which led to the development of sulphur drugs. Sulphur exhibits which color in its elemental state

(a) White           (b) Brown          (c) Black            (d) Yellow

6. Mehrauli iron pillar in Delhi has stood for thousands of years without any formation of rust on its surface. The chemical formula of rust is

(a) Iron(II) Oxide Hydrated      (b) Iron(II) Carbonate

(c) Iron(II) Sulphate                   (d) Iron(III) chloride

7. Aluminium foils are used to wrap food items. Metals like aluminium can be converted into sheets and foils because of the property known as

(a) Ductility                                   (b) Maleablility

(c) Tempering                               (d) Annealing

8. Non metals in general are bad conductors of heat and electricity. The exception is

(a) Graphite (Allotrope of Carbon)

(b) Tritium (Isotope of Hydrogen)

(c) Red Phosphorus (Allotrope of phosphorus)

(d) C-14 (Radioactive isotope of carbon)

9. Mercury (Hg) which is used in Thermometers is the only liquid metal. The example of a liquid non metal which is used in various chemical reactions is

(a) Fluorine                                   (b) Silicon

(c) Phosphorus                             (d) Bromine

10. Metal hydrides are highly reactive compounds. The metal which reacts with hydrogen to form metallic hydride is

(a) Sodium        (b) Silver            (c) Iron               (d) Copper

11. The process of conversion of vegetable oils in vanaspati ghee takes place through addition reaction in the presence of Nickel Catalyst and

(a) Chlorine      (b) Hydrogen    (c) Ammonia    (d) Nitrogen

12. Semiconductors are integral part of Electronic Appliances, such as Television, Computers etc. The Non metal which is used for this purpose is

(a) Silicon                                      (b) Bromine

(c) Phosphorus                             (d) Sulphur

13. India has huge reserves of Haematite in the state of Jharkhand. Haematite is an ore of

(a) Aluminium (b) Silver            (c) Iron               (d) Zinc

14. Limestone, Mable and Chalk, all are the carbonate of a Metal. The metal is

(a) Sodium        (b) Potassium   (c) Calcium       (d) Lead

15. SAIL is the largest producer of steel in India. Steel is an alloy of

(a) Fe, Cr, C, Ni                            (b) Fe, Ni, C

(c) Cu, Al                                        (d) Fe, Al, Ni

Answer Key:

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