__________ is not made of matter
- gold ring
- iron nail
- light ray
- oil drop
Seeds from water-melon can be removed by __________ method
- hand-picking
- filtration
- magnetic separation
- decantation
Lighter impurities like dust when mixed with rice or pulses can be removed by __________
- filtration
- sedimentation
- decantation
- winnowing
Filtration method is effective in separating __________ mixture
- solid-solid
- solid-liquid
- liquid-liquid
- liquid-gas
From the following __________ is not a mixture
- coffee with milk
- lemon juice
- water
- ice cream embedded with nuts
Which of the following items will get attracted to a magnet:
- safety pins
- pencil
- rubber band
- glass
The process of separation of insoluble solids from a liquid is called:
- filtration
- decantation
- hand-picking
- sedimentation
In which of the following the components are present in any proportion?
- mixture
- compound
- element
- molecule
Which one of the following will result in the formation of a mixture?
- crushing a marble tile into small particles
- breaking ice cubes into small pieces
- tearing papers into small pieces
- adding milk in water
Compounds:
- are the same as mixtures
- contain only type of element
- are different kinds of elements physically combined with each other
- are different kinds of elements chemically combined with each other
Magnetism is most beneficial for separating:
- Gases and non-metallic liquids
- Magnetic solids and non-metallic solids
- Non-metallic solids and non-magnetic solids
- Non-magnetic solids from non-magnetic liquids
Sieving can used to separate
- sand from gravel
- butter from curds
- grains from their stalks
- mud from muddy water
Removal of clear layer of the liquid without disturbing the solid is known as __________.
- Sedimentation
- Decantation
- Filtration
- Evaporation
Air is regarded as a -
- compound
- mixture
- element
- pure substance
To separate water mixed with chalk powder we can use
- decantation
- filtration
- sedimentation
- sieving