English

What Do You Understand by the Statement " the Solubility of Copper Sulphate in Water at 20°C is 20.7 G" ?

Advertisements
Advertisements

Question

What do you understand by the statement " the solubility of copper sulphate in water at 20°C is 20.7 g" ?

Short/Brief Note
Advertisements

Solution

This statement means that 20.7 gm of copper sulphate can be dissolved in 100 gm of water at 20°C.

shaalaa.com
  Is there an error in this question or solution?
Chapter 2: Is Matter Around Us Pure - Very Short Answers [Page 81]

APPEARS IN

Lakhmir Singh Chemistry Part 2 [English] Class 9
Chapter 2 Is Matter Around Us Pure
Very Short Answers | Q 48.2 | Page 81

RELATED QUESTIONS

 Match the following

Column A Column B
(a) Molecules (i) Water boils
(b) 100° C (ii) Evaporation
(c) 0° C (iii) Changes from solid to gas
(d) At all temperatures (iv) Matter
(e) Camphor (v) Water freezes

What are molecules ?


What is meant by saying that metals are sonorous ?


Name a metal which is yellow in colour.


Which one of the following is not a metalloid ?


Which of the following contains less solute at a given temperature and pressure ? Unsaturated solution or Saturated solution.


Which of the following is a sol ?

Shaving cream, Milk, Fog, Soap solution, Hairspray


Define the emulsion. Give one example.


One of the following is a solid foam. This one is :


One of the following does not show Tyndall effect. This one is :


Milk of Magnesia is :


What type of magnet is fitted on a crane to separate scrap iron objects from a heap of waste materials in factories ?


Name the process by which common salt is purified.


Name the process by which all the dye can be recovered from black ink.


How will you separate a mixture containing sand and sugar ?


Tincture of iodine is a mixture of two materials X and Y. The material Y has a property that its solid form can be converted directly into vapours on heating by a process called Z.

  1. What could X be ?
  2. What could Y be ?
  3. Name the process Z.
  4. Which process would you use to recover both the components X and Y from tincture of iodine ?
  5. Which process can be used to recover only component Y from tincture of iodine ?

The property which allows the metals to be hammered into their sheets is ______.


Which among the following is not a matter?


______ is used for industrial refrigeration and transporting frozen food.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×