CaCO$_{3}$$\xrightarrow[]{t^o}$CO$_{2}$+CaO
CaO+H$_{2}$O→Ca(OH)$_{2}$
- `CaCO_3`$\xrightarrow[]{t^o}$CaO+`CO_2`
- CaO+`H_2O`→`Ca(OH)_2`
Choose the best answer.
I think you should buy _____ pack of mineral water instead. And you can also buy _____ snacks such as potato crisps, 3 kilos of mandarins, 2 kilos of apples, 3 bunches of bananas, ______ cookies and soft candies.
We should decorate our living room with _____ orange banner. We also need ________ ribbons, balloons, party hats and costume.
I think that ______ cauliflower is not enough for 3 people. Let’s buy one more.