Question

Q.15 Two elements X and y combine to give a product and the correct statement
about Z is
I
a Z has more mass than that of X
bZ has leads mass than that of X
c)Z has less mass than that of Y
d)Z show same properties as that of X and Y​

Answer 1

Answer:

Two elements X and Y combine to give a product Z. The correct statement about Z is. (a) Product Z is formed by the combination of X and Y, thus has more mass than of Xand Y separately. Also Z is entirely a new product, thus cannot show same properties, as of X and Y.

Explanation:

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Answer 2

Answer:

z has leads mass than that of x