Question Text
Question 2 :
A technique in which two liquids are separated by heating process is known as:
Question 4 :
Nowadays we get full cream, toned and double-toned varieties of milk placed in polypacks or tetra packs in the market. What is the basic concept behind this?
Question 7 :
The copper sulphate solution is heated gently on a water bath for :<br/>
Question 11 :
Two liquids having different boiling point can be seperated by :<br/>
Question 12 :
Salt dissolves in water to form salt solution. Name of the solvent is:
Question 16 :
The components of a mixture of two miscible liquids having boiling differing by $$20^o$$C or more can be separated by :<br/>
Question 17 :
A mixture contains two solids A and B. Solid A is light in weight while solid B is very heavy. Their sizes are almost same. Here, A is the unwanted component. To get pure solid B, which separation method would you suggest?
Question 19 :
Used for the preparation of solutions of specific concentrations when a solid is used as the solute _______.<br/>
Question 20 :
Which of the following is one of the types of an element?