Question

La Gold
Vig is the least reactive metal?
a. Hydrogen
b. Potassium
9.
Which of following metals is used in paints and pigments?
c. Copper
d. Silver
a. Iron
b. Lead
10. Which of following non-metals is used for making matchsticks and fireworks?
c. Mercury d. Copper
a. Sodium
b. Silicon
Phosphorous d. Graphite
Fill in the blanks with the correct words.
1. The property of metals due to which they produce a ringing sound when struck with
a hard object is called
(thermal conductivity/sonority).
2. A non-metal that is a good conductor of heat is
(diamond/graphite).
3.
A metal that burns with white dazzling light is
(magnesium/sodium).
4.
Metallic oxides turn
(red/blue) litmus solution to
(red/blue).
5
(Sodium/Magnesium) is kept immersed in kerosene.
(acids/bases).
6. Non-metallic oxides dissolve in water to form
ery short answer type questions
Complete the equations.
2. S + O₂ →
1. 4Na + 0,
Metals and Non-Metals 69​

Answer 1

Answer:

8) hydrogen

9) lead

10)phosphorus

1)sonority

2) graphite

3)magnesium

4) red litmus blue

5)sodium

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