ĐỀ KT LỚP 1

Đề KT lop 10 hoc kì 2

... ? A P2O5 B CaCl2 C NaOH rắn D CaO Cho 6 72 ml khí SO2 (ở đktc) vào 20 0 ml dung dịch NaOH 0 .2 M.ta thu muối sau đây? A Na2SO2 B NaHSO3 Na2SO3 C NaHSO3 D Na2SO3 Cho phản ứng :SO2 + Br2 + 2H2O → ... Na2S D NaHS Những chất sau tồn đồng thời bình chứa ? A HBr Cl2 B O2 Cl2 C H2S O2 D H2S SO2 10 Cho phản ứng :SO2 + Br2 + 2H2O → HBr + H2SO4 Câu diễn tả không tính chất chất phản ứng ? A Br2 chất ... oleum H2S2O7 : A +4 B +2 C +6 D +8 16 Hệ số cân O2 phản ứng ( số tự nhiên nhỏ ):H 2S + O2 → SO2 + H2O là: A B C D 17 Có thể dùng H2SO4 đặc để làm khô khí sau ? A H2S SO2 B HI N2 C HBr O3 D CO2 O2...

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De KT lop 11 ki 2

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de kt lop 10

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Đề KT lớp 11

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de KT lop 11 CB HK 1

... câu tơng ứng điểm Phần I Trắc nghiệm khách quan 1A 2C 3B 4A 5C 6D 15 B 16 B 17 C 18 C 19 D 20B Phần II Tự luận Câu 21: a 7A 8B 9A 10 C 11 C 12 A 13 D 14 A x = + k sin x = x = + k sin x = (loại) ... Câu 23: (x -1) 2 + (y+2)2 = 16 a Đờng tròn ảnh (C): (x +1) 2 + (y-2)2 = 16 b Ta có (C) (C) (C) (C): (x - )2 + (y - 11 ) Phần I Trắc nghiệm khách quan 1A 2D 3C 4A 5D 6D 15 D 16 C 17 C 18 C 19 D 20B Phần ... = cách 1, 3, có 3! = cách 1, 4, có 3! = cách 2, 3, có 3! = cách 3, 3, có 3! = cách Suy có tất 25 cách Hay n(A) = 25 Vậy P(A) = 25 216 9C 10 B 11 D 12 C 13 D 14 A Câu 23: (x -1) 2 + (y+2)2 = 16 c Đờng...

Đề KT lop 10 Lan 2, ky 2 ban CB

... and in 19 62 he led the team to its first world club (37) ………….…… Pelé became the only (38) ………………… to participate in three World Cups in 1958,19 62, and 1970 By 1974, Pelé (39) ………………… 1 ,20 0 goals ... going to paint C you paint D you will paint 25 Well, then we’ll go out tonight There’s a good film on at cinema A a/ the B the/ the C the/ a D a/ a 26 When I to the railway station, the train ... engineering D She studies at university engineering 28 I was with the movie last night A disappointed B disappoint C disappointing D be disappointing 29 Smoking is very bad your health A about B...

Đề KT lop 10 Lan 2, ky 2 ban CB đề lẽ

... 25 26 27 28 29 30 31 32 33 A She went to university for she study engineering C She study engineering at university ... continue for a time in some sort of pattern to become music Music, like language, is a uniquely human form of (36) As with language, there are many different kinds In North America, people listen...

đề KT lớp 12 1tiếtt lần 1

... complete the close text : The first digital computer …(29)… in 19 44 Since that time, there …(30)… many changes Now computers are …( 31) …, cheaper and more common There are few people …(32)… haven’t ... office that afternoon D Mr Nam told me that he wanted me to stop by his office that afternoon 21 “My father sent this letter to you last week.” Mai said to me A Mai told me that my father sent ... Because they had broke, they had to sell their house A B C D 27 When gold discovered in Alaska in 18 97, Jack London took part in the famous gold rush A B C D 28 In Vietnam, having two wives at the...

De KT lop 10*

... becoming a scientist, Michael Faraday used to work …………… A a bookbinder B to a bookbinder C being a bookbinder D as a bookbinder 25 When they…….again, they ……….each other for years A met/ had ... wounded In 1920 he returned to America and began to support himself by his pen He traveled a lot In 1954 he was awarded the Nobel Prize for Literature, and “the old man and the sea” was considered ... ……is very important for a child to form his personality A background B name C specialization D degree 27 Take some aspirins They can ease your headache A make more serious B make less serve C...