Giúp mình Dãy các chất đều tác dụng được với dung dịch H,SO4 loãng là: A.Na₂CO3, CaSO3, BaCl₂. B.NaCl, Ca(OH)2, BaCO3. C.AgNO3, K₂CO3, Na2SO4 D.NaHCO3, Na2SO4, KCI.

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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.