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प्रश्न
What is meant by "brittleness"? Which type of elements usually show brittleness: metals or non-metals?
उत्तर
Brittleness is the property of being broken easily. Non-metals are the elements that usually show brittleness.
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संबंधित प्रश्न
Give reasons for the following.
Aluminium foils are used to wrap food items.
Name the most abundant non-metal in the earth's crust.
Name two metals which are both malleable and ductile.
Write ‘True’ or ‘False’ in front of following statements.
Non-metals are poor conductors of electricity.
State two important uses of following non-metal
Uses of graphite
Name:
a metal which can be cut with a knife.
Name two metalloids.
Which metal occurs as an oxide also gives the name of their respective ore.
Explain the following:
Metals like calcium and magnesium are never found in their free state in nature.
Melting point of most metal is ______ than non-metal.
