Chemistry Quiz: Batteries and Cells

What is the main difference between primary and secondary batteries?

• Primary batteries are smaller in size than secondary batteries

• Primary batteries have higher voltage than secondary batteries

• Primary batteries have longer lifespan than secondary batteries

• Primary batteries are non-rechargeable, while secondary batteries can be recharged

Which type of battery is commonly used in portable electronic devices due to its high discharge capacity and long shelf life?

• Alkaline battery

• Lithium-ion battery

• Nickel-Cadmium battery

• Zinc/Carbon battery

What is the main environmental concern associated with some types of batteries?

• Low energy efficiency

• High cost of production

• Toxic materials like mercury, lead, and cadmium

• Short circuit risk

Which battery type is known for its ability to provide high current output and is commonly used in applications requiring high power?

• Zinc/Carbon battery

• Lithium-ion battery

• Nickel-Cadmium battery

• Alkaline battery

What is the purpose of adding small quantities of mercury, lead, and cadmium to certain types of batteries?

• To minimize the occurrence of unwanted reactions during storage

• To improve energy efficiency

• To reduce the risk of leakage

• To increase the voltage output

Which type of batteries are considered to have a lower environmental risk due to the absence of toxic metals like mercury, lead, and cadmium?

• Zinc/dioxide manganese batteries

• Lithium/dioxide manganese batteries

• Alkaline batteries

• Nickel/cadmium batteries

What is the main reason for the investigation and development of primary batteries employing lithium as the anode?

• To create durable and reliable electrochemical systems

• To replace toxic metals in batteries

• To store large amounts of energy

• To explore space

Which type of batteries use lithium metal as the anode and three groups of compounds as the cathode?

• Lithium/dioxide manganese batteries

• Lead/acid batteries

• Nickel/cadmium batteries

• Alkaline batteries

What is the main difference between batteries of nickel/cadmium and hydride metal/nickel oxide?

• Cost of production

• Environmental impact

• Longevity

• Operating temperature

What is the primary reason for the trend towards replacing nickel/cadmium batteries with hydride metal/nickel oxide batteries?

• Ease of recycling

• Environmental concerns

• Higher performance

• Lower cost