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Define Solvent. - Science

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प्रश्न

Define solvent.

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उत्तर

Solvent is a liquid or a medium in which the solute is dissolved.

Example: Water

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अध्याय 2: Is Matter Around Us Pure - Very Short Answers [पृष्ठ ८०]

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लखमीर सिंग Chemistry [English] Class 9
अध्याय 2 Is Matter Around Us Pure
Very Short Answers | Q 21.2 | पृष्ठ ८०

वीडियो ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्न

Name the terms for the change of a solid into liquid.


Define the following term  of Matter .


All kinds of matter


Name the scientist who studied the movement of pollen grains suspended in water through a microscope. What is this phenomenon known as?


An inflated balloon full of air goes down slowly (becomes smaller and smaller slowly) even though the knot at the mouth of the balloon is airtight. And after a week all the air has escaped from the balloon. Explain how the air particles got out of the balloon.


What elements do the following compounds contain ?

Sugar, Common salt


What are (i) metals (ii) non-metals, and (iii) metalloids ? Give two examples each of metals, non-metals and metalloids.


There are three substances X, Y and Z. The substance X does not have a fixed melting point or boiling point and it still shows the individual properties of its constituents. The substance Y is a pure substance which occurs in nature as such. The substance Y has a fixed melting point and boiling point but it cannot be broken down into simpler substances by any chemical means. The substance Z is also a pure substance whose properties are entirely different from those of its constituents. The substance Z can, however, be divided by electrolysis into two substances which belong to the same class of substances as Y.

  1. What type of substance could X be ? Name one substance like X.
  2. What type of substance could Y be ? Name one substance like Y.
  3. What type of substance could Z be ? Name one substance like Z.
  4. Which process involves absorption or release of an appreciable amount of energy : formation of substance X or formation of substance Z ?
  5. Name the three groups into which all the substances like Y are divided on the basis of their properties.

Which of the two will scatter light : soap solution or sugar solution ? Why ?


Choose one term from the following which includes the other three :

aerosol, emulsion, colloid, sol


Explain what happens when a beam of light is passed through a colloidal solution.


How will you differentiate between a suspension and a colloid ?


Fill in the following blanks with suitable words :

Immiscible liquids are separated by using a .....................


What is chromatography ? State its two applications.


Pure copper sulphate can be obtained from an impure sample by the process of :


What difference in the properties of common salt and sand would enable you to separate a mixture of these two substances ?


Asmita went to buy an earthen pot. There she saw many things kept for sale.
From what substance has the potter made all the things?


Give some examples of the Tyndall effect observed in your surroundings?


Compressibility of solids: ______.


Define the term matter.


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