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प्रश्न
Complete the statement given below, by filling in the blank with the correct word:
The ability of a metal to produce a reasonant sound ______.
उत्तर
The ability of a metal to produce a reasonant sound sonority.
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संबंधित प्रश्न
For the electro-refining of copper: What is the cathode made up of?
Name two physical properties of sodium in which it's behaviour is not as expected from it's classification as metal.
Name a non-metal which is extremely hard.
State three reasons (of which at least one must be chemical) for believing that sulphur is a non-metal.
Write ‘true’ or ‘false’ for the following statement
Sodium can be cut with a knife.
Statements given below are incorrect. Write the correct statements :
Chlorine gas is used in the manufacture of sulphuric acid.
Write ‘True’ or ‘False’ in front of following statement.
Graphite is used in making filaments of electric bulb.
State two important uses of following non-metal
Uses of oxygen
Name:
a metal which can be cut with a knife.
`Cl +e- → —`
Explain how the activity series accounts for each of the following:
reaction with water
Explain how the activity series accounts for each of the following:
reaction with acids
Explain the term Minerals.
Name the following:
or
With reference to the physical properties of metals and non-metals, state the following exception.
A metal which is liquid at room temperature.
Which metal occurs as a halide also gives the name of their respective ore.
Fill in the Blank and Rewrite the Statements:
Elements showing properties of both metals and nonmetals are known as _________.
Differentiate between metals and non-metals with reference to –
(a) number of electrons in outer or valence shell
(b) formation of cation and anion
(c) reaction with dilute acids.
Melting point of most metal is ______ than non-metal.
Generally, non-metals are not lustrous. Which of the following non-metal is lustrous?
