Physical Properties of metals
Trending Questions
Aluminium is used for making cooking utensils. Which of the following properties of aluminium are responsible for the same?
(i) Good thermal conductivity
(ii) Good electrical conductivity
(iii) Ductility
(iv) High melting point
(i) and (ii)
(i) and (iii)
(ii) and (iii)
(i) and (iv)
Name the softest metal.
Which metal has a very low melting point?
Metals are generally hard. Which of the following metals is an exception and can be cut with a knife?
Iron
Sodium
Gold
Magnesium
49. Why are metals used for making bells?
Name two most malleable metals.
What are the applications of diatomite?
Write the uses of Germanium and Silicon.
What do you mean by ductility?
- F
- C
- S
- CI
Most of the metals are grey in colour; which one of the following is yellow?
Gold
Silver
Zinc
Lead
(a) Explain the terms ‘metal’. ‘nonmetal’, and metalloid giving two examples of each
(b) Classify the following as metals, nonmetals, and metalloids:
Hydrogen, sodium, potassium, gold, bromine, carbon, silicon, mercury, sulphur, phosphorus
State whether the following statements are “true” or “false”.
Gold on hammering can form a thin sheet of gold.
- True
- False
Name an element which melts when kept on palm.
1) Study Questions
(b) State any five physical properties of a metal
45. Consider the following materials: copper, sulfur, phosphorous, carbon (such as pencil lead), gold, silver. Which of these materials are: (a) malleable and ductile, and (b) brittle?
What does the word ‘malleable’ refers to?
From the list of given metals, which is the most ductile metal?
Copper
Aluminum
Gold
Silver
From the list of given metals, which is the most ductile metal?
Gold
Copper
Aluminum
Silver
What is malleability?
Most of the metals are grey in colour; which one of the following is yellow?
Gold
Zinc
Lead
Silver
Metals are good conductors of heat and