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  • 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

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 theTable.

Name of the material Appearance
(Hard/Soft)    		     Transparency
(Transparent/
Translucent/
Opaque		 Floats/Sinks
in water		 Soluble/Insoluble in water
         

 

Answers (1)

Name of the material                       Appearance (Hard/Soft)     Transparency (Transparent/Translucent/Opaque) Floats/Sinks in water                          Soluble/Insoluble in water                            
Lump of salt Hard Opaque Sinks Soluble
Green grass Soft Opaque Floats Insoluble
Broken glass piece Hard Transparent Sinks Insoluble
Thermocol box Soft Opaque Floats Insoluble
Pen Hard Opaque Floats Insoluble
Iron nail Hard Opaque Sinks Insoluble
Glass marbles Hard Transparent Sinks Insoluble
Hair Hard Opaque Floats Insoluble
Naphthalene ball Hard Opaque Floats Insoluble
A piece of sugar candy Hard Opaque Sinks Soluble
Posted by

Sumit Saini

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