Question

(2) 120
(d) silicon
a) 105
) 110 - 118
2. Metalloids share the properties of
() metals
) non-metals both
mone
3. Which one of the following is used for making pencil lead?
a) graphite
(6) diamond (c) sulphur
4 Which one of the following metals is found in liquid state?
tar mercury
(b) silver
(c) sodium
(a) calcium
5. Which of the following is a metalloid?
far arsenic
(b) aluminium (c) calcium
(d) copper
DU A metal displaces hydrogen from dilute hydrochloric acid and for their respective
(a) sodium
(b) copper (c) silver (d) potassium
7. A metal used in food packaging is
(a) zinc
(b) copper c) aluminum (d) mercury
&.) Which of the following is alloid?
(a) arsenic
(b) copper (c) aluminium (d) iron
9. A non-metal used in making pencils is
(a) carbon
(b) oxygen for graphite (d) sulphur
Fill in the blanks:
1. Metals react with oxygen to form Metallic oxide
2. Iron is mou ..... reactive than copper.
Metals usually displace
100 fm aridis​

Answer 1

Explanation:

2-a

3-a

4- mercury

7 - zinc

8 - arsenic

9 - carbon