Cân bằng các PTHH sau : 1) MgCl2 + KOH → Mg(OH)2 + KCl 2) Cu(OH)2 + HCl → CuCl2 + H2O 3) Cu(OH)2 + H2SO4 → CuSO4 + H2O 4) FeO + HCl → FeCl2 + H2O 5) Fe2O3 + H2SO4 → Fe2 (SO4)3 + H2O 6) Cu(NO3)2 + NaOH → Cu(OH)2 + NaNO3 7) P + O2 → P2O5 8) N2 + O2 → NO 9) NO + O2 → NO2 10) NO2 + O2 + H2O → HNO3

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Bài 1:Viết câu hoàn chỉnh, sử dụng các từ và cụm từ đã cho 1,They/spend/live/wild animals / study. 2, Some students / offer/ scholarships/ study abroad. 3, Young people/ today/ fruit/ vegetables/ eat/ a lot of. 4, This weather/not suitable/ camping holiday. 5, John/ be/ good football/ hopeless/ become/ coach Bài 2: Đặt các động từ trong ngoặc vào thì đúng dạng : 1,Last night I (see).......................... a report on TV about limestone Islands in Ha Long Bay 2, This is the first time Mary (meet)....................Tim's family 3, ......................you (ever see)............ a waterfall ? 4, The old lamp (make)...................in China is five dollars 5, They (buy)......................a new house last week 6, They (not start)......................the community garden project in 2012 7, Your friends( sing).................for the elderly people every Sunday? 8, The children (not finish)................painting the mural over graffiti yet 9, We (clean)..............up the dirty streets in our area last Sunday 10, You ever ( recycle)...............things, such as bottles or paper? Bài 3: Cho dạng đúng của các từ đã cho để hoàn thành câu 1, Many people were made...................after the flood.(HOME) 2, We talked to and sang for the............at a nursing home. ( OLD) 3, Tom plays the piano very....................... ( GOOD) 4, This is a.................room so you can stay with me whenever you want. ( COMFORT) 5, His.................makes his parents feel sad. ( LAZY) - Giúp e vs -

Bài 1:Viết câu hoàn chỉnh, sử dụng các từ và cụm từ đã cho 1,They/spend/live/wild animals / study. 2, Some students / offer/ scholarships/ study abroad. 3, Young people/ today/ fruit/ vegetables/ eat/ a lot of. 4, This weather/not suitable/ camping holiday. 5, John/ be/ good football/ hopeless/ become/ coach Bài 2: Đặt các động từ trong ngoặc vào thì đúng dạng : 1,Last night I (see).......................... a report on TV about limestone Islands in Ha Long Bay 2, This is the first time Mary (meet)....................Tim's family 3, ......................you (ever see)............ a waterfall ? 4, The old lamp (make)...................in China is five dollars 5, They (buy)......................a new house last week 6, They (not start)......................the community garden project in 2012 7, Your friends( sing).................for the elderly people every Sunday? 8, The children (not finish)................painting the mural over graffiti yet 9, We (clean)..............up the dirty streets in our area last Sunday 10, You ever ( recycle)...............things, such as bottles or paper? Bài 3: Cho dạng đúng của các từ đã cho để hoàn thành câu 1, Many people were made...................after the flood.(HOME) 2, We talked to and sang for the............at a nursing home. ( OLD) 3, Tom plays the piano very....................... ( GOOD) 4, This is a.................room so you can stay with me whenever you want. ( COMFORT) 5, His.................makes his parents feel sad. ( LAZY) - Giúp e vs -

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