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प्रश्न
Write the names of elements from the following symbol:
Br
एक शब्द/वाक्यांश उत्तर
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उत्तर
Br- Bromine
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संबंधित प्रश्न
Give Two Examples for Each of the Following: Non-metals
Define Elements.
Give two examples of Metalloids.
Give reason: Argon is filled in electric bulbs.
Fill in the blank
_________ refers to the number of atoms in the molecule of an element
Fill in the blank
A metal which is a poor conductor of electricity is _______.
Select the correct answer from the choice given below.
The negatively charged particles in an atom
Give an example of two liquids which form homogenous.
The diagram represents fractional distillation for the separation of mixtures. Answer the following :
- Can two immiscible liquids be separated by this process?
- Separation of liquids by this process is based on which physical property?
- If methyl alcohol & water are to be separated, which liquid would remain in flask ‘X’ after condensation.
- Give a reason for the above answer.
- State the purpose of the fractionating column in the apparatus.
Why are utensils made up of aluminium and brass?
