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प्रश्न
Select the correct answer to the statement given below:
A non-metal which exists in the liquid state.
विकल्प
Chalk
Oxygen
Silicon
Bromine
Nitrous oxide
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उत्तर
Bromine
APPEARS IN
संबंधित प्रश्न
Define: Elements
Give two examples for the following: Metals
Give one example for the following type of mixtures
solid-solid homogenous mixture.
Is food that we eat a mixture ?
Name: a Metal Which is a Poor Conductor of Electricity.
Name: an Inert Gas
Give three differences between metals and non-metals.
Give two examples of the following.
Inert gases
Answer the following question:
Why are copper and aluminium used to make electric wires?
Answer the following question:
What do you understand by the statement: ‘metals are ductile and malleable’?
Fill in the blank
A diatomic gaseous element is _______.
Indicate whether the following statement is true or false:
All elements are artificially prepared
Tick (√) the correct alternative from the choice given for the following statement
A metal which is brittle
Write the names of elements from the following symbol:
Br
Explain the difference between Atoms and molecules.
Represent with the help of a simple chart how matter is classified into pure or impure substances & further into elements, compounds & mixtures, with elements further segmented.
With reference to elements – define the term ‘molecule’. Give two examples each of a monoatomic, diatomic & polyatomic molecule.
Give three differences between elements & compounds with relevant examples.
Select the correct answer from A, B, C, D & E for the statement given below :
A metalloid.
