Carbon Compounds

Question 1:Diagram 1.1 shows an extraction process of a type of oil in a laboratory.Diagram 1.1(a) On Diagram 1.1, name stage W. [1 mark](b) At what stage are microorganisms in the oil palm fruit destroyed? [1 mark](c) In the industrial production of the oil, name the stage after the filtration stage. [1 mark](d)(i) What is … Read more

Question 2:Diagram 2 shows an experiment to study a fermentation process carried out at different temperature.(a)(i) State one observation from this experiment. [1 mark](ii) Based on the observation in 2(a)(i), state one inference. [1 mark](b) State one manipulated variable in this experiment. [1 mark](c) Mark (√) the foods which can be used in this experiment. [1 mark]Rice (   )Cheese … Read more

Question 1:Diagram 1.1 and Diagram 1.2 show an experiment to investigate the effect of temperature on the fermentation of glucose by yeast.(a) State one hypothesis that can be made from this experiment. [1 mark](b) State the variables in this experiment.   (i) Manipulated variable [1 mark]   (ii) Responding variable [1 mark](c) Based on Diagram … Read more

Question 1:Diagram 1.1 shows two examples of carbon compounds, K and L.(a)(i) Based on Diagram 1.1, which one is an inorganic carbon compound? [1 mark] (ii) State one characteristic of an inorganic carbon compound. [1 mark](b)(i) State one use of compound K. [1 mark] (ii) State one effect of compound K on the nervous system … Read more