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प्रश्न
Write true or false
Handpicking can be used as a separation technique if the particle size of the constituents of the mixture is the same.
विकल्प
True
False
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उत्तर
False
Handpicking can be used as a separation technique if the particle size of the constituents of the mixture is not the same.
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संबंधित प्रश्न
Select the correct alternative from the choices given for the following statement:
A set of mixture is
Write true or false
A heterogeneous mixture has a uniform composition throughout the mixture.
What is the proportion of element present in the following compound?
CaO
What is the proportion of element present in the following compound?
NO2
State three differences between water and air.
Explain the term mixture.
Mention the uses of the following compounds.
- Baking soda
- Bleaching powder
- Quick lime
Sodium chloride is used as table salt and for flavoring and preserving food.
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 which is known to form the largest number of compounds.
Reason out
Sand is also known as silica.
