Khi cho 9,6 gam Mg tác dụng hết với dung dịch H2SO4 đậm đặc, thấy có 49 gam H2SO4 tham gia phản ứng, tạo muối MgSO4, H2O và sản phẩm X. X là?

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.