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प्रश्न
Give one use of the following substance:
Iron
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उत्तर
Iron : To make machines tools and building material.
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संबंधित प्रश्न
Correct the following statement:
CO and Co both represents cobalt.
Give one example for the following types of mixtures :
solid-liquid heterogenous mixture.
Give Two Examples for Each of the Following: Inert Gases
Name: a Metal Which is brittle
Give two examples of non-metals.
Give two examples of the following.
Non-metals which are lustrous
Give two examples of the following.
Inert gases
What is meant by H20 and 3H2O
The important physical properties of substances are colour, odour, nature, density & solubility in water.
Name - a poisonous gas almost as heavy as air.
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.
