pH = - log [`H^+`] it was written on the blackboard by Mohan. ?
By seeing this, James got many doubts in his mind. What would be those doubts .

James saw N+O_(2)rarr 2NO-Q on the blackboard and got some doubts in his mind. What would be those doubts? Guess and write four of them.

Manoj observed a street light which is producing yellow light. Then he got many doubts in his mind. What could be those doubts ?

Rithvik got many doubts while observing an induction stove. What would be those?

Dheeraj was brought a loud speaker nearer to a working television. He observed the picture in the TV. He got many doubts in his mind. What would be those

Akshay saw the specification of a bulb as 60 W and 120 V, on the surface of the bulb. She got many doubts in her mind. What would be those double ?

A student observed a patient undergoing haemodialysis. He has many doubts about haemodialysis. What might be his doubts ?

You have observed different types of glasses in the shop. You got some doubts in your mind . What are they ?

Redox reaction : CuO+H_(2)overset("Heat")rarr Cu+H_(2)O . By seeing the above chemical equation on the blackborad Madhavi asked Nikhila, why it was a redox reaction. Nikhila explained by asking Madhavi some questions. What would be those questions?