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प्रश्न
With reference to the physical properties of metals and non-metals, state the following exception.
A non-metal which has low tensile strength
उत्तर
Phosphorus
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संबंधित प्रश्न
Name one metal and one non-metal which exist in liquid state at room temperature.
Give the name and formulae of two basic oxides.
Which property of iron metal is utilised in producing iron sheets required fro making buckets?
Which property of copper metal is utilised in making thin wires?
State one use of Sulphur.
Name two metals whose melting points are so low that they melt when held in the hand.
Name a non-metal that is hardest naturally occurring substance
Statements given below are incorrect. Write the correct statements :
Chlorine gas is used in the manufacture of sulphuric acid.
State any five physical properties of a metal.
Physical properties of a metal :
State two important uses of following non-metal
iodine
Name the non-metal present in abundance in the earth's crust.
Select from the following ist:
`Fe_2O_3, , NO, PbO, Mn_2O_7`
Basic oxide………..
Give the balanced reactions for the following:
Sodium is dropped in water
How many valence electrons are present in:
(i) metals and
Name two metalloids.
With reference to the physical properties of metals and non-metals, state the following exception.
A non-metal which conducts electricity.
State whether the statement given below is true or false. If false write the correct statement.
Lead pencils contain lead.
State whether the statement given below is true or false. If false write the correct statement.
The chemical name of rust is iron [III] oxide.
