4. Sorting Materials into Groups Vorksheet 01 Date 1. Write True or False against the following statements: Diamond is an opaque substance, All gases are insoluble in water. All things are made up of materials. Kerosene is soluble in water. A piece of wood floats on water. IR
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Explanation:
True or False.
(i) Wood is opaque, while glass is transparent .
(ii) Materials are grouped for convenience ,study their properties and their uses
(iii) Hydrogen dissolves in water.
(iv) A piece of wood floats on water.
(v) All gases dissolve in water.
(vi) Oil mixes with water.
(vii) Sand settles down in water.
(viii) Nitrogen dissolves in water.
(ix) Salt is soluble in water while sand is not.
(x) cooked rice is a soft material
Answer
(i) True
(ii) True
(iii) False
(iv) True
(v) False
(vi) False
(vii) True
(viii) False
(ix) True
(x) True
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