KSSM FORM 5 SCIENCE (CHAPTER 5 : CARBON COMPOUND)

Which of the following processes increase the content of carbon dioxide in the air?

I - Decaying

II - Respiration

III - Evaporation

IV - Photosynthesis

• I and II

• I and IV

• II and III

• III and IV

Hydrocarbon are chemical compound made up of

• Carbon & oxygen elements only

• Carbon & hydrogen elements only

• Carbon, hydrogen, oxygen

• Carbon, hydrogen, oxygen, nitrogen

Which of the following is correct about alkane?

• compound that has hydroxyl group

• it is saturated hydrocarbon compound

• compound with double covalent bond

What are the elements present in fat?

• Carbon & hydrogen

• Carbon, hydrogen, oxygen

• Carbon, hydrogen, nitrogen

• Carbon, sulphur

1) Has 4 carbon atoms

2) Has one double covalent bond between carbon atoms

What is hydrocarbon Z?

• Butane

• Butene

• Pentane

• Pentene

Which part contains the most oil?

• Mesocarp

• Kernel

• Endocarp

In palm oil extraction, what is the method used to kill microorganism?

• Filtration

• Purification

• Sterilisation

• Threshing

Which of the following foods will cause the above situation when taken excessively?

• Fish

• Banana

• Butter

• Nuts

Name the process of soap making

• oxidation

• fermentation

• Haber process

• Saponification