Ch- 2 Is Matter Around us Pure?

Q-1 By which Physical process we can Separate (NaCl) Sodium-Chloride from (H₂O) Water?

• Burning

• Filtration

• Evaporation

• Separating-Funnel

Q-2 What is the composition of BRASS ?

• 50% zinc & 50% copper

• 70% zinc & 30% copper

• 40% zinc & 60% copper

• 30% zinc & 70% copper

• !!NON OF THE ABOVE!!

Q-3 A solution has a _________ & a _________ as it's components.

• Solute & Solvent

• True & Colloid

• Mixture & Solution

• All of the above

Q-4 The component of a solution that dissolves the other component is called as _______________?

• Solution

• Solute

• Solvent

• Not able to answer!!!!!!!!!

Q-5 What is the Formula to calculate the Mass By Mass % of Solution?

• % = Mass of Solution / Mass of Solute X 100

• % = Mass of Solution / Mass of Solvent X 100

• % = Mass of Solute / Mass of Solution X 1000

• % = Mass of Solute / Mass of Solution X 100

Q-6 How many types of Colloidal Solutions are there?

• 2

• 4

• 7

• 8

• 10

Q-7 Tyndall effect is seen in?

Q-8 Foam has _______ D.P & _______ D.M ?

• Gas & Solid

• Liquid & Gas

• Gas & Liquid

• Liquid & Liquid

Q-10 Is Milk a Heterogenous Mixture?

• YES

• NO

• CAN'T SAY

• I DON'T KNOW

DID U ENJOY THIS QUIZ??

• YES

• NO

• MAYBE

• A GR8 QUIZ