ICSE Class 8 Answered
Gas evolved when a few crystals of KNO3 are heated in a hard glass test tube
Asked by vaishrag | 19 Feb, 2019, 06:07: PM
Expert Answer
Oxygen is evolved when a few crystals of KNO3 are heated in a hard glass test tube.
Answered by Varsha | 19 Feb, 2019, 07:03: PM
ICSE 8 - Chemistry
Asked by vaishrag | 19 Feb, 2019, 06:07: PM
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