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प्रश्न
The first letter of an element is always written in ______ letter.
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उत्तर
The first letter of an element is always written in capital letter.
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संबंधित प्रश्न
Name: a Metal Which is brittle
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.
The compound used as common salt is
Tick (√) the correct alternative from the choice given for the following statement
A non-metal which is a good conductor of electricity.
Tick (√) the correct alternative from the choice given for the following statement
The most ductile metal.
Complete the statement given below by filling in the blank with the correct word.
From the elements nitrogen, chlorine, bromine, the element present in the atmosphere is ________.
Write the names of elements from the following symbol:
Ir
State five different characteristics of compounds.
State why brass is considered as a homogenous mixture while a mixture of iron & sulphur – heterogenous.
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.
