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 ...

True, inertia increases with increase in mass and decreases with decrease in mass. So, a heavy object has more inertia than a lighter one.

Lets take an example, a cricket ball has more inertia because it has more mass (it is quite heavy). On the other hand, a rubber ball has less inertia because it has less mass (it is light). Hence, the inertia ...

Class 9th Science Session 2022-23 Class 9 Science Terminal Exams MCQ Solutions 9th Science Terminal Exam Based MCQ Extra Questions Class 9th Science CBSC Sample paper