We must know that – During the preparation of hydrogen chloride gas on a humid day, the role of calcium chloride (CaCl₂) taken in the guard tube is to absorb moisture from gas. This is because CaCl₂ is used gas ...
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The layer of Zinc metal can prevent corrosion easily. Remember that, the iron rod can be protected from corrosion by coating a thin layer of zinc metal. The process of coating zinc cover over iron is called galvanization. It is ...
You must know that – when, a dil. FeSO₄ solution was slowly added to the beaker which containing acidified solution of permanganate. The light purple colour of the solution of KMnO₄ fades and at last it, disappears. The reason behind ...
Class 10 Science Terminal Exams MCQ Solutions Class X Science MCQ Extra Questions Answers 10th Science Terminal Exam Based MCQ Extra Questions Class 10th Science Session 2022-23
Class 10 Science Terminal Exams MCQ Solutions Class X Science MCQ Extra Questions Answers 10th Science Terminal Exam Based MCQ Extra Questions Class 10th Science Session 2022-23