Calcium oxide and water combine to form calcium hydroxide. This is an example of __________ reaction.
Both combination reaction and exothermic reaction
Both combination reaction and exothermic reaction - This accurately describes both aspects of the reaction. Therefore, the most accurate description of the reaction between calcium oxide and water is that it is both a combination reaction and an exothermic reaction.
Which of the following statement is/are true?
I. In physical change new substance is formed. substance is formed.
II. In chemical change no new substance is formed.
Which of the following cells involves similar chemical reactions?
The information not obtained from balanced chemical equation is
Oxygen cannot be obtained by which one of the following methods?
Which is the most reactive metal?