State whether the statements given below are True or False.

(i) Stone is transparent, while glass is opaque.
(ii) A notebook has luster while eraser does not.
(iii) Chalk dissolves in water.
(iv) A piece of wood floats on water.
(v) Sugar does not dissolve in water.
(vi) Oil mixes with water.
(vii) Sand settles down in water.
(viii) Vinegar dissolves in water.

(i) Stone is transparent, while glass is opaque. \(\rightarrow\) FALSE

REASON : Stone is opaque because light does not pass through stone but glass is transparent because the light is passed through the glass.


(ii) A notebook has luster while the eraser does not. \(\rightarrow\) FALSE

REASON : No, notebook and eraser don't have luster because they aren't shiny objects.


(iii) Chalk dissolves in water. \(\rightarrow\) FALSE

REASON : No chalk does not dissolves in water because chalk is not a soluble substance.


(iv) A piece of wood floats on water. \(\rightarrow\) TRUE


(v) Sugar does not dissolve in water. \(\rightarrow\) FALSE

REASON : Sugar dissolve in water because it is a soluble substanse.


(vi) Oil mixes with water. \(\rightarrow\) FALSE

REASON : No oil does not mix with water because it is not a soluble


(vii) Sand settles down in water. \(\rightarrow\) TRUE


(viii) Vinegar dissolves in water.\(\rightarrow\) TRUE