Author Archives: Anjali Dhiryan

Q-1 How will you test wheather the gas evolved in a reaction is hydrogen? Q-2 The smell and taste of food containing fats and oils changes after sometime. Why does this happen? Name the process. Q-3 What do you mean by a precipitation reaction?  Explain by giving examples.  Q-4 Explain giving chemical equation any twoContinue reading “Class 10 science ch 1 important questions”