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प्रश्न
Fill in the blank
A diatomic gaseous element is _______.
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उत्तर
A diatomic gaseous element is oxygen.
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संबंधित प्रश्न
Classify the following substances into compounds and mixtures:
Differentiate between the following.
Filter Paper and Alum
Define the term: Element
Give Two Examples for Each of the Following: Non-metals
What is meant by H20 and 3H2O
Tick (√) the correct alternative from the choice given for the following statement.
All pure substances have
Tick (√) the correct alternative from the choice given for the following statement
The most ductile metal.
Complete the statement with the correct words.
Acid’s are chemicals which are _____ in taste and derived from plants and ________.
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.
Give a reason for the following statement :
Brass & bronze are examples of mixtures, while copper sulphate & lead nitrate are examples of compounds.
