The correct answer is option A. Energy cannot be created during an ordinary chemical reaction. There is no such thing as an ordinary chemical reaction. Energy cannot be created or destroyed this is according to the law of conservation of energy. It can only be transformed from one form to another form.
Answer:
Generally, the first ionisation energy increases along a period. But there are some exceptions one which is not an exception
the answer of these question is weight
Answer:
It might be responding variable.
