separating mixtures

Which one of the following would you use to separate sand from iron filings?

• a bar magnet
• filter paper
• chromatography paper
• alum

Sieving is a method of separating mixtures which is judged by the size and thickness of the particles of the components which make up the mixture.

• True

• False

This involves using a strainer or a big screen to separate the components of solid mixtures.

• physical manipulation

• distillation

• sieving

Which of the following mixture can be separated by sieving method?

• Sugar and ice

• Salt and fine spices

• Salt and sugar cubes

Sand and few stone mixture can be separated by

• Sieving

• Handpicking

• Both sieving and handpicking

seeds from flour

• Sieving

• Filtration

The small pores of sieve should be

• less than the size of smaller particle

• slightly more than the size of smaller particle

• more than the size of bigger particle

• slightly less than the size of bigger particle

How to separate salt and water?

• Decantation

• Filtration

• Evaporation

• Sieving

How to separate meat and sauce?

• Decantation

• Filtration

• Evaporation

• Sieivng

How to separate needles and toothpicks?

• Decantation

• Distillation

• Magnetic Attraction

• Sieving