Câu 2:Cho 0,6 gam hidro đi qua bột sắt (III)oxit Fe2O3 nung nóng, người ta thu được 11,2 gam sắt và 5,4 g nước a)Lập PTHH cho phản ứng b)Tính khối lượng sắt (III) oxit đã phản ứng?

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.