Solutions

Question 1

Brass composition

Answer 1

Mix of copper and zinc

Question 2

German silver composition

Answer 2

Mix of copper zinc and nickel

Question 3

Bronze composition

Answer 3

Mix of copper and tin

Question 4

What are solns ?

Answer 4

Homogeneous mixtures of two or more than two components

Solvent- component that is present in large quantity
It determines physical state of solution

Solute - component present in smaller quantity

Question 5

Imp types of soln ?

Answer 5

Binary soln
Ternary soln
Aqueous solution
Misible soln
Impossible soln
Alloy soln
Non aqueous soln

Question 6

Gaseous soln examples ? When solvent is gas and solute is gas, liquid,solid

Answer 6

Gas +gas mixture of oxygen and nitrogen gases

Liquid+gas Chloroform mixed with nitrogen gas

Solid + gas camphor in nitrogen gas

Question 7

Liquid solns example?when solvent is liquid and solute is gas, liquid, solid

Answer 7

Gas + liquid. Oxygen dissolves in water

Liquid + liquid. Ethanol in water

Solid+ liquid. Glucose dissolved in water

Question 8

Solid soln examples ?when solvent is solid and solute is gas, liquid,solid

Answer 8

Gas + solid. Soln of hydrogen in palladium

Liquid+solid. Amalgum of mercury with sodium

Solid + solid. Copper dissolved in gold