alevel화학출제

A-Level 화학 시험 숙제 10.1

Samples of barium and calcium are added separately to beakers of cold water which contain a few drops of litmus solution. Which observations will be made with only the calcium and not with the barium? 1. A gas is evolved 2. A white suspe…

A-Level 화학 시험 숙제 36.1

Question 1a: Morphine is a naturally occurring opiate found in opium from poppies. Heroin is a synthetic opiate that can be synthesised from morphine. Fig. 1.1 shows the chemical structure of morphine and heroin. What functional groups are found i…

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