SELAMAT DATANG Kuiz Sains Tambahan Tingkatan 5 Bab 3 Set 1
Sebatian Karbon Dalam Kehidupan (English)
KUIZ INI MENGANDUNGI 10 SOALAN
1.
What is a direct environmental consequence of improperly disposing of used cooking oil down the drain, as highlighted by the benefits of recycling it?
2.
When used palm oil is heated in the presence of water vapor, it can break down into glycerol and free fatty acids. What is this chemical process called?
3.
During the transesterification of used palm oil to produce biodiesel, what is the primary byproduct that can be repurposed for industries like cosmetics and pharmaceuticals?
4.
Which organization in Malaysia is mentioned as regulating the nation's palm oil industry and commercializing biodiesel production technology?
5.
According to the 'Info Sains' box, what type of chemical bonds are found between carbon atoms in the hydrocarbon chains of saturated fatty acids?
6.
What is the typical yield of glycerol, as a percentage, for every ton of biodiesel produced?
7.
Besides cosmetics and pharmaceuticals, the text mentions that glycerol is processed into polyglycerol for use as what?
8.
In the transesterification process to produce biodiesel, what is the role of substances like potassium hydroxide (KOH) or sodium hydroxide (NaOH)?
9.
Which characteristic is typically found in higher concentrations in used palm oil compared to fresh, refined palm oil?
10.
What is the primary environmental advantage of biodiesel produced from used palm oil when compared to conventional fossil diesel?
