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Subject :NSO    Class : Class 3

Read the given conversation.
Which of the following statements is correct regarding X, Y and Z?

A X could be ruby and Z could be tungsten.
B Y could be granite and Z could be quartz.
C X could be diamond and Y could be silica.
D Y could be graphite and Z could be tungsten.


B

Ans 1:

Class : Class 6
B

Ans 2:

Class : Class 3
D

Ans 3:

Class : Class 3
B

Ans 4:

Class : Class 4
d as graphite is used to make pencil lead and bulb is made up of tungsten

Ans 5:

Class : Class 3

Ans 6:

Class : Class 3
what is silca

Ans 7:

Class : Class 4
b

Ans 8:

Class : Class 3
C

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