5.6 SAINST4

1. What is the disadvantage of lead            acid- accumulator compared to dry cell?
    Apakah keburukan akumulator asid-
    plumbum berbanding sel kering?

•     Its electrolyte can be easily spilled Elektrolitnya mudah tumpah
  
• The voltage is lower Voltan lebih rendah
• It is not rechargeable Tidak boleh dicas semula
• The current is not stable Arus tidak stabil

What type of battery is used in a handphone ?  
Apakah jenis bateri yang digunakan dalam telefon bimbit? 

• Alkaline battery          (Bateri alkali)
• Acid-lead battery          (Bateri asid-plumbum)
• Nickel-cadmium battery          (Bateri Nikel-cadmium)
• Silver oxide battery          (Bateri argentum oksida)  

Which of the following is ture about an acid-lead accumulators?  
Antara berikut yang manakah benar tentang akumulator asid-plumbum?

• Not rechargeable                         Tidak boleh dicas semula
• The electrolyte consist of sodium chloride                         Elektrolit terdiri daripada natrium klorida
• Zinc plate is used as an electrode                         Kepingan zink digunakan sebagai elektrod
• Produce stable and high current                         Menghasilkan arus yang tinggi dan stabil

What type of battery is used in a car?
Apakah jenis bateri yang digunakan oleh kereta?

• Alkaline battery
  Bateri alkali
• Acid-lead battery
  Bateri asid plumbum
•   Nickel-cadmium battery
  Bateri nikel kadmium
• Silver oxide battery
  Bateri argentum oksida merkuri

Which of these chemical cells that can be recharged?
Manakah antara sel kimia berikut yang boleh dicas semula?

• Dry cell
  Sel kering
• Mercury cell
  Sel merkuri
• Lead-acid accumulator Akumulator asid plumbum
• Alkali cell
  Sel alkali

What type of battery is used in a calculator?
Apakah jenis bateri yang digunakan dalam kalkulator?

• Alkaline battery Bateri alkali
• Lead-acid battery Bateri asid plumbum
• Mercury oxide battery
  Bateri merkuri oksida
• Nickel cadmium battery
  Bateri merkuri oksida