PDF chapter test TRY NOW
1. Which of the following equations represents a combination of two elements?
2. Which of the following equations is not an example of single displacement reaction?
Answer variants:
\(Ca\) + \(Cl_2\) → \(CaCI_2\)
\(CaO\) + \(CO_2\) → \(CaCO_3\)
\(CaCO_3\) → \(CaO\) + \(CO_2\)
\(4Na\) + \(O_2\) → \(2Na_2O\)
Register for free to see more content