工作计划剑桥igcse化学0620sow unit acids bases salts.pdf,Scheme of work – Cambridge IGCSE® Chemistry (0620) Unit 4: Acids, bases and salts Recommended prior knowledge Students should be familiar with the laboratory techniques introduced in Unit 1 and
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1、Double strands of DNA are unwound and unzipped and the antisense strand is used as the template. 2、RNA nucleotides pair up with their complementary bases on the template strand via hydrogen bonds. 3、RNA polymerase catalyse the formation of the phosphodiester bonds between the RNA nucleotides....
:hydrochloric acidgiveschlorides :nitric acidgivesnitrates :sulphuric acidgivessulphates An acid is something which produces hydrogen ions in solution Basesare the oxides and hydroxides of metals Alkalisare soluble bases the produce hydroxide ions in solution. Neutralisationoccurs when hydrogen ions and hy...