Separation of mixture questions | Grade VIII
Why is air called mixture ?
Write the types of mixture .
Define homogeneous and heterogeneous mixture .
Define separation of mixture .
Write the different types of separation of mixture .
Define centrifugation and centrifuge .
What type of mixture can be separated by centrifugation process ?
Write the advantages of centrifugation .
Define chromatography .
What type of mixture can be separated by chromatography ?
Write the advantages of chromatography .
What is paper chromatography ?
What kind of materials can be use in chromatography instead of filter paper ?
Define crystal and crystallization .
How can you prepare crystals ?
How can you make big crystals ?
What type of mixture can be separated by crystallization ?
If two substances move with the same speed through medium , why chromatography is not suitable ?
Which method of separation is suitable for following .
Water and sugar .
Iodine and salt .
Alcohol and water .
Red and blue ink .
Sand + water .
Sand and sugar .
Cream from milk .
Blood cells from blood .
Drugs from blood .
Iron filling from sad .
Sand and camphor .
Ammonium Chloride from sand .
Which method is suitable to separate pure and rock salt .
How can you prepare crystal of copper sulphate .
Draw the diagram of crystal of :