Đáp án `+` Giải thích các bước giải:
CTPT: `HCl`
CTCT: `H-Cl`
Giải thích các bước giải:
$Hiđro$ $clorua$ có $CTPT$ là $HCl$
$CTCT$ là $H-Cl$
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.