Which igneous rock is used by dentists for polishing of... | Science Class 5

Science Class 5 Other

Asked by AKSHAY GURU VARADHARAJAN · SRI CHAITANYA TECHNO SCHOOL, JAYANTI NAGAR.

Which igneous rock is used by dentists for polishing of teeth?
A) Granite

B) Pumice

C) Obsidian

D) Sandstone

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