Chemical volcano is produced on heating – InterviewSolution

1.	Chemical volcano is produced on heating
Answer» `K_(2)Cr_(2)O_(7)` `(NH_(4))_(2)Cr_(2)O_(1)` `ZnCr_(2)O_(7)` `K_(2)CrO_(4)` Solution :On heating `(NH_(4))_(2),Cr_(2)O_(7), N_(2)` is given out with `Cr_(2)O_(3)` PRODUCED at higher rate GIVING look of ARTIFICIAL VOLCANO. Hence, (B) is the correct answer

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