Sonorous-I — task. Science CBSE, Class 7 New.

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Select the correct answer:

1. Which statement is correct about sonority?

Sonority is the property of a material to be drawn into wires.
Sonority is the ability of a material to conduct heat.
Sonority is the ability of a material to dissolve in water.
Sonority is the property of a material to produce a ringing sound when struck.

2. Which of the following pairs contains only sonorous materials?

Iron and copper
Plastic and iron
Rubber and glass
Wood and plastic

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