question_answer

P: Duralumin is a alloy of Nickel gold Q: Silicon is used in making aeroplane chips R : Amalgam is used for filling cavities in teeth S : Nichrome is an alloy of nickel and chrome

A)

(P)	(Q)	(R)	(S)
False	True	True	False

B)

(P)	(Q)	(R)	(S)
True	False	True	False

C)

(P)	(Q)	(R)	(S)
False	True	False	True

D)

(P)	(Q)	(R)	(S)
True	False	False	True