Atomic Structure Revision Questions and Answers (O level Chemistry) Question 1 The table shows some information about six particles. Complete the table. ParticleProton (atomic) numberNumber of neutronsNumber of electrons 35Cl1718.........…
Organic Chemistry Questions and Answers (O level Chemistry) Organic chemistry deals with the compounds of carbon, except for carbonates and carbon dioxide. The following is a list of organic chemistry…
Question 1 (a) The diagram below shows how an organic compound, Q,is produced from ethene. (i) Name reagent x and compound P. (ii) Draw the displayed structural formula of Q.…
Question 1 (a) A student prepared a blue solution, P, by adding black copper (II) oxide powder to nitric acid as shown below.' (i) Name two chemical substances in the…
Question 1 Choose from the following substances to answer the questions below . copper(II) chloride chlorine ethanoic acid hydrochloric acid manganese(IV) oxide platinum potassium dichromate(VI) sodium chloride sulphuric acid vanadium(V)…
Question 1 Ethanol, CH3CH2OH, is a liquid fuel. Ethanol can be manufactured either from glucose, C6H12O6, or from ethene. (a) Briefly describe the manufacture of ethanol from glucose. Include the…
Question 1 (a) Copper can be extracted from molten copper chloride using electrolysis. The apparatus is shown below: (i) State whether this process for the extraction of copper involves a…
O level Chemistry Questions and Answers(1) This question is for O 'Level Chemistry. It covers concepts from atomic structure, electronic configuration, periodic trends and atomic bonding. Question 1 The table…