Answer:
(a) False, glass is transparent because it allows light to pass through it, while stone is opaque because it does not allow light to pass through it.
(b) False, notebook and eraser do not have any lustre because they are not metals.
(c) False, chalk is insoluble in water.
(d) True, wood floats on water because density of wood is lesser than that of water.
(e) False, sugar is soluble in water.
(f) False, oil does not mix with water, in fact it floats on water.
(g) True, it is heavier than water, i.e. its density is more than that of water.
(h) True, it is soluble/dissolve in water.
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