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प्रश्न
Differentiate between the following
Filter Paper and Alum
उत्तर
| Filter Paper | Alum |
| 1. It is a special paper fitted in funnel during filtration. | 1. It is a solid which is used to load suspended mud particles in water. |
| 2. It does not dissolve in water. | 2. It dissolves easily in water |
| 3. It does not speeds up- loading. | 3. It speeds up loading. |
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संबंधित प्रश्न
The composition and properties of a _________ mixture is uniform throughout.
Give one word answer
The solid particles which remain on the filter paper after the filtration
Select the correct alternative from the choices given for the following statement:
A pure liquid is obtained from a solution by :
Differentiate between the following.
Supernatant liquid and Fill rate
Is food that we eat a mixture ?
Name two methods by which solid-solid mixtures can be separated.
Filtration is a method used to separate fine particles of solid from a liquid.
During centrifugation, solid particles of the mixture move towards the bottom. True or false?
Four mixtures are given below.
- Kidney beans and chickpeas
- Pulses and rice
- Rice flakes and corn
- Potato wafers and biscuits
Which of these can be separated by the method of winnowing?
Read the story titled “WISE FARMER” and tick the correct option to complete the story.
A farmer was sad/happy to see his healthy wheat crop ready for harvest. He harvested the crops and left it under the sun/rain to dry the stalks. To separate the seeds from the bundles of the stalk he hand picked/threshed them. After gathering the seed grains he wanted to separate the stones and husk from it. His wife winnowed/threshed them to separate the husk and later sieved/hand picked to remove stones from it. She ground the wheat grains and sieved/filtered the flour. The wise farmer and his wife got a good price for the flour. Can you tell why?
