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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement
A metal which is brittle
विकल्प
oxygen
diamond
zinc
उत्तर
zinc
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संबंधित प्रश्न
Fill in the blank
Chalk powder dissolved in water is an example of a Chalk powder dissolved in water is an example of a _________.
Write true or false
All pure substances have characteristic melting and boiling points.
Define: Compounds
Give two applications of chromatography.
Classify substances into pure and impure substances in the form of a chart or tabulation.
Write the names of elements from the following symbol:
Br
Write the names of elements from the following symbol:
Pt
Select the correct answer to the statement given below:
A metalloid
‘An atom is the basic unit of an element’. Draw a diagram of an atom – divisible as seen today.
There are ______ number of known elements.
