Cho 7.02 gam kim loại R tác dụng vừa đủ với dd axit sunfuric 98% đun nóng thu được V lít so2 và dd muối có nồng độ 74.026% a) Viết phương trình phản ứng xảy ra b) Tính V (đktc)

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.