Electrochemistry 9th chemistry chapter 7 solved exercise MCQs Spontaneous chemical reactions take place in : (a) Electrolytic cell (b) Galvanic cell ✔ (c) Nelson’s cell (d) Downs cell 2. Formation of water from hydrogen and oxygen is : (a) Redox reaction ✔ (b) Acid-base reaction (c) Neutralization (d) Decomposition 3. Which one of the following … Continue reading 9th chemistry chapter 7 solved exercise MCQs