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प्रश्न
Write the names of elements from the following symbol:
Cu
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उत्तर
Cu- Copper
संबंधित प्रश्न
Give reason: Argon is filled in electric bulbs.
Fill in the blank
The most abundant element in the earth’s crust is _______.
Indicate whether the following statement is true or false:
Metals can be polished.
Tick (√) the correct alternative from the choice given for the following statement.
Sulphur and carbon are
Tick (√) the correct alternative from the choice given for the following statement
A non-metal which is a good conductor of electricity.
Select the correct answer from the choice given below.
An impure substance
Select the correct answer from A, B, C, D & E for the statement given below :
A non-metal that is lustrous.
Select the correct answer from A, B, C, D & E for the statement given below :
A mixture consisting of elements & a compound.
There are ______ number of known elements.
Water contains _____ and _____ element.
