Question

Q15. Assertion: Brass is an alloy of
Zinc and Magnesium. Reason: Alloys
are homogenous mixture of two or
more metals.
a. If both A and Rare true and R is a
correct explanation of A
b. If both A and Rare true and Ris
not a correct explanation of A
O
c. If A is true but Ris false
O d. If A is false but R may be true
O e. If both A and Rare false.
Q16. Assertion: Copper does not​

Answer 1

An alloy is a material composed of two or more metals or a metal and non metal. It may be a solid solution of the elements of single phase or a mixture of two or more metallic phases. Solid alloys give a single solid phase microstructure. Alloys are used where their properties are superior to those of pure component elements. Examples are steel,solder,brass,amalgam etc.