Give two differences between luminous and non-luminous flames. (2 marks) Luminous Non-luminous - Bright yellow flame - Sooty - 4-regions…
State the name given to the study of Chemical changes in living organisms ...........Microbiology.........(1mark) Insects..............entomology......................( 1mark) Below is a diagram…
Give the name of the first member of the alkene homologous series.ethene When a few drops of aqueous ammonia were…
A potato cylinder measuring 100mm was placed in a concentrated salt solution for 30 minutes. Describe its texture and appearance…