Elliana

Hòa tan hoàn toàn m gam hỗn hợp X gồm Fe và MgSO3 vào dd H2SO4 loãng, dư thu đc 48,4 g muối khan và có 7,84l khí thoát ra ở đktc a) Xác định m b) l

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Hòa tan hoàn toàn m gam hỗn hợp X gồm Fe và MgSO3 vào dd H2SO4 loãng, dư thu đc 48,4 g muối khan và có 7,84l khí thoát ra ở đktc a) Xác định m b) lấy 2m gam hỗn trên cho td vs H2SO4 đặc, nóng, dư thì thu đc V lít khí … Đọc tiếp

Nowadays, student have to deal with a lot of examinations, so they don’ t have much tim to take part in outdoor and social activities. Write a passage

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Nowadays, student have to deal with a lot of examinations, so they don’ t have much tim to take part in outdoor and social activities. Write a passage( 100 – 120 words) to suggest some activities that school organise for student to take part in so that can develop both physical and mental health

Multiple choice and rewrite 1. He has fled to the mountain of Galicia, ___ he cannot possibly escape on horseback over the border a. meanwhile b.heret

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Multiple choice and rewrite 1. He has fled to the mountain of Galicia, ___ he cannot possibly escape on horseback over the border a. meanwhile b.heretofore c. whence d. indefinitely 2.It was a rash of Jimmy to react so aggressively that his wife felt heartbroken.(IMPULSE) => Had Jimmy________________________________ 3. You were so pessimistic about what … Đọc tiếp