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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

A Separating Funnel Can Be Used for Separating a Mixture of Immiscible Liquids. True Or False? - Chemistry

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प्रश्न

A separating funnel can be used for separating a mixture of immiscible liquids. True or false?

विकल्प

  • True

  • False

MCQ
सत्य या असत्य

उत्तर

True

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अध्याय 3: Elements, Compounds and Mixtures - Additional questions 2

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सेलिना Concise Chemistry [English] Class 7 ICSE
अध्याय 3 Elements, Compounds and Mixtures
Additional questions 2 | Q 4

संबंधित प्रश्न

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

Filter Paper  and Alum


Is food that we eat a mixture ?


Name two methods by which solid-solid mixtures can be separated.


During centrifugation, solid particles of the mixture move towards the bottom. True or false?


Give a reason for the following statement:

If fractional distillation is carried out using a liquid-liquid mixture, one liquid will remain in the flask and the other will be collected in the receiver.


A ______ mixture has no distinguishable boundary between its components.


Four mixtures are given below.

  1. Kidney beans and chickpeas
  2. Pulses and rice
  3. Rice flakes and corn
  4. 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? 


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