Question

Sample of an ore is heated in a test tube.In the beginning a gas is evolved which
turnswet blue litmus red. On further heating a gas is evolved which makes a glowing
splinter burn brilliantly. A shining greyish metal appears in the test tube.Study the
data and answer the following questions.
i) What are the two gases produced?
ii) What is the possible name of the ore?
iii) Which is the metal produced in the test tube?
Answere with reaction

Answer 1

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