Welcome to success ahead group quiz of sorting material into group

A material which dose not dissolve completely into water is called _ .
Soluble
Insoluble
Opaque
Translucent
Materials that are difficult to compress are called _
Hard materials
Soft materials
Sponge materials
None of these
What makes the basis of sorting materials into groups?
Similarities in their properties
Differences in their properties
Both similarities and differences in their properties
All of these
Which one will show a metallic lustre?
Any surface of a metal
Freshly cut surface of a metal
Freshly cut surface of non-metal
An oily thin paper sheet will be
transparent
translucent
Opaque
Cannot be predicted
Purpose of sorting material into groups is
To study their properties
convenience
Both (a) and (b
Inconvenience
Which is a set of transparent materials?
Glass and air
Water and glass
Water and air
All of these
Choose the opaque object from the following:
Charcoal
Air
Glass
Water
Which one of the following is not soluble in water?
Turmeric powder
Common salt
Alum
All are soluble
Which object shines?
Plastic toy
Cotton shirt
Steel spoon
Stone piece
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