Giúp mình với ạ😞 Trình bày phương pháp hoá học nhận biết : a: 4 chất khí : H2 , CO , CO2 , HCL b: 4 dung dịch : HCl , NaCL , NaOH, CaOH(2) c: 4 chất rắn : P2O5 , Na2O , CaO , Al2O3

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.

Choose the best answer.

We should decorate our living room with _____ orange banner. We also need ________  ribbons, balloons, party hats and costume.

Choose the best answer.

I think that ______ cauliflower is not enough for 3 people. Let’s buy one more.