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A Reddish Powder Is Heated Gently in a Loosely Covered

Question 119

Multiple Choice

A reddish powder is heated gently in a loosely covered container.After the heating a silvery metal remains in the container,and a glowing wooden splint placed into the container bursts into flame.The original substance is a(an) ________,and the solid and gas produced are ________.


A) element;compounds
B) compound;elements
C) mixture;compounds
D) compound;compounds
E) mixture;elements

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