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प्रश्न
Give Two Examples for Each of the Following: Metalloids
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उत्तर
Antimony, silicon, boron.
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संबंधित प्रश्न
Give one example for the following types of mixtures :
solid-liquid heterogenous mixture.
Name: A form of carbon used as a gem
Name: Two substances used to make jewellery.
Indicate whether the following statement is true or false:
Metals can be polished.
Complete the statement given below by filling in the blank with the correct word.
The basic unit of an element is an __________.
Select the correct answer from the choice given below.
The type of molecule- bromine
Select the correct answer from the choice in the bracket.
The least reactive metal.
The diagram represents fractional distillation for the separation of mixtures. Answer the following :

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- Separation of liquids by this process is based on which physical property?
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- Give a reason for the above answer.
- State the purpose of the fractionating column in the apparatus.
Give a reason for the following statement :
The filter paper made into a cone & placed in a funnel for filtering out the solid particles in a solid-liquid mixture should be moistened before placing it.
Name the two elements which are derived from the country.
