Question

21. During summer holidays, a group of children collected a lump of salt, green grass, broken glass piece, a small thermocol box, pen, iron nail, glass marbles, hair, naphthalene ball, a piece of sugar candy (mishri) and tried to group them on the basis of properties given in table 4.1 below. Help them in filling the table. Name of the material Appearance (Hard/Soft) Transparency (Transparent/ Translucent/Opaque) Floats/ Soluble/ Sinks in Insoluble water in water​

Answer 1

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