हिंदी

Fill in the Following Blank : a Colloid is a ..............Mixture and Its Components Can Be Separated by the Technique Known as ...............

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प्रश्न

Fill in the following blank :

A colloid is a ..............mixture and its components can be separated by the technique known as ...............

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उत्तर

A colloid is a heterogeneous mixture and its components can be separated by the technique known as centrifugation.

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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 20.2 | पृष्ठ ८०

वीडियो ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्न

The molecules can move freely anywhere in


Define the following term  of Matter .


All kinds of matter


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Name a non-metal which is a good conductor of electricity.


What is meant by saying that non-metals are brittle ?


Classify the following into elements and compounds :

  1. H2O
  2. He
  3. Cl2
  4. CO
  5. Co

What are pure substances ? Give two examples of pure substances.


What is the other name for impure substances ? Give two examples of impure substances.


One of the following substances is neither a good conductor of electricity nor an insulator. This substance is :


There is a large group of materials P which can be divided into three groups Q, R and S on the basis of their properties. The substances belonging to group Q can be solids, liquids or gases. The solids belonging to group Q are usually electrical insulators. Most of the substances of group R are solids which are good conductors of electricity. The substances belonging to group S are neither insulators like Q nor good conductors like R. The properties of S are intermediate between those of Q and R.

  1. What could the group of materials P be ?
  2. Name the substances Q. Give two examples of such substances.
  3. Name the substances R. Write two examples of such substances.
  4. Name the substances S. Give two examples of such substances.
  5. Out of Q, R and S, which substances are malleable and ductile ?

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Fill in the following blank :

Milk is a .................... solution but vinegar is a .................... solution.


How would you prepare a saturated solution of sodium chloride in water at 25°C ? What will happen if this  solution is cooled to 10°C ?


You are given a mixture of iodine in alcohol called tincture iodine. Which method will you use to recover both, iodine as well as alcohol, from this mixture ?


Complete the given analogy.

Murukku from hot oil: ______:: Coffee powder residue from decoction: ______


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______ is used for industrial refrigeration and transporting frozen food.


Give an example of a molecule.


Give an example of liquid in gas.


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