Summative Practice (Question 1 & 2) – Form 5 Science (KSSM) Chapter 5

Question 1:Figure 1 shows an experiment to study the preparation of a type of carbon compound.(a) Name the process in Figure 1.(b) What type of carbon compound is prepared?(c) State your observation of the limewater.(d) State the inference for your answer in 1(c). Answer:(a) Fermentation(b) Organic carbon compound(c) Limewater turns cloudy(d) Carbon dioxide is released … Read more

Formative Practice 5.4 – Form 5 Science (KSSM) Chapter 5

Question 1:What are fats? Answer:Fats are a type of organic carbon compounds containing the elements carbon, hydrogen and oxygen. Question 2:Give one example of fats and the source. Answer:Butter from cow’s milk Question 3:State one similarity and one difference between saturated fats and unsaturated fats. Answer:Similarity: Organic compounds containing the elements carbon, hydrogen and oxygen.Difference: … Read more

Formative Practice 5.3 – Form 5 Science (KSSM) Chapter 5

Question 1:What is alcohol? Answer:Alcohol is an organic carbon compound which contains the elements carbon, hydrogen and oxygen. Question 2:How is alcohol prepared? Answer:Alcohol can be prepared through the process of fermentation using the action of yeast on food containing glucose or starch such as sugar, grapes, apples, sugarcane, rice, flour, potato and barley. Question … Read more

Formative Practice 5.2 – Form 5 Science (KSSM) Chapter 5

Question 1:What is hydrocarbon? Answer:Hydrocarbon is an organic carbon compound made up of only carbon and hydrogen elements. Question 2:State one similarity and one difference between saturated and unsaturated hydrocarbons. Answer:Similarity: Saturated and unsaturated hydrocarbons are made up of only carbon and hydrogen elements.Difference: Saturated hydrocarbons have single covalent bond between carbon atoms but unsaturated … Read more

Formative Practice 5.1 – Form 5 Science (KSSM) Chapter 5

Question 1:What is organic carbon compound? Answer:Organic carbon compound is a carbon compound that originates from living things. Question 2:What is inorganic carbon compound? Answer:Inorganic carbon compound is a carbon compound that originates from non-living things. Question 3:Give two examples of inorganic carbon compounds. Answer:Carbon monoxide, carbon dioxide, calcium carbonate, sodium hydrogen carbonate, aluminium carbide, … Read more