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प्रश्न
Name: a Non-metal Which is a Good Conductor of Electricity.
उत्तर
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संबंधित प्रश्न
Tick the most appropriate answer.
The constituents of a mixture are present in
- a fixed ratio
- a variable ratio,
- the ratio of 2: 1
- none of these
Mention three gaseous elements and write their molecular formulae
Find the atomicity of the Following molecule:
Acetic Acid
Tick (√) the correct alternative from the choice given for the following statement
The most ductile metal.
Complete the statement with the correct words.
__________ are chemicals formed on reaction of a base with an _____ giving salt and water.
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.
The first letter of an element is always written in ______ letter.
Elements : Combine to form compounds :: Compounds : ______.
______ is a mixture of gases.
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
Name a non-metal other than carbon that shows allotropy.
