Applications of common elements in the society Practice exercise 3

Identify the mineral that helps in transporting oxygen in human blood.(1 mark)

Identify the mineral that helps in transporting oxygen in human blood.(1 mark)

Identify the mineral that helps in transporting oxygen in human blood.(1 mark)

Identify the mineral that helps in transporting oxygen in human blood.(1 mark)

Identify the mineral that helps in transporting oxygen in human blood.(1 mark)

Identify the element that helps in transporting oxygen in human blood. (1 mark)

State the property of silicon that makes it essential in manufacturing semiconductors for electronic devices.(1 mark)

State the property of silicon that makes it essential in manufacturing semiconductors for electronic devices.(1 mark)

State the property of silicon that makes it essential in manufacturing semiconductors for electronic devices.(1 mark)

State the property of silicon that makes it essential in manufacturing semiconductors for electronic devices.(1 mark)

State the property of silicon that makes it essential in manufacturing semiconductors for electronic devices.(1 mark)

State the property of silicon that makes it essential in manufacturing semiconductors for electronic devices. (1 mark)

State the property of silicon that makes it essential in manufacturing semiconductors for electronic devices. (1 mark)

State the specific reason why gold is preferred for making jewellery that maintains its appearance over time.(1mark)

State the specific reason why gold is preferred for making jewellery that maintains its appearance over time.(1mark)

State the specific reason why gold is preferred for making jewellery that maintains its appearance over time.(1mark)

State the specific reason why gold is preferred for making jewellery that maintains its appearance over time.(1mark)

State the specific reason why gold is preferred for making jewellery that maintains its appearance over time.(1mark)

State the specific reason why gold is preferred for making jewellery that maintains its appearance over time. (1mark)

The image below shows medals awarded for outstanding achievements. Which metals are traditionally used to make such medals? (2 marks)    

The image below shows medals awarded for outstanding achievements. Which metals are traditionally used to make such medals? (2 marks)    

The image below shows medals awarded for outstanding achievements. Which metals are traditionally used to make such medals? (2 marks)    

The image below shows medals awarded for outstanding achievements. Which metals are traditionally used to make such medals? (2 marks)    

The image below shows medals awarded for outstanding achievements. Which metals are traditionally used to make such medals? (2 marks)    

The image below shows medals awarded for outstanding achievements. Which metals are traditionally used to make such medals? (2 marks)    

The image below shows medals awarded for outstanding achievements. Which metals are traditionally used to make such medals? (2 marks)    

The image below shows medals awarded for outstanding achievements. Which metals are traditionally used to make such medals? (2 marks)    

The image below shows medals awarded for outstanding achievements. Which metals are traditionally used to make such medals? (2 marks)    

Which element is responsible for strengthening human bones?(1 mark)

Which element is responsible for strengthening human bones?(1 mark)

Which element is responsible for strengthening human bones?(1 mark)

Which element is responsible for strengthening human bones?(1 mark)

Which element is responsible for strengthening human bones?(1 mark)

Which element is responsible for strengthening human bones?(1 mark)

Which element is responsible for strengthening human bones?(1 mark)

Which element is responsible for strengthening human bones? (1 mark)

The image below shows surgical tools used in an operating room. These tools face sterilization chemicals, blood, and moisture. Which material - pure iron, aluminium, or stainless steel - is best for making these tools? Justify your answer.(2 marks)

The image below shows surgical tools used in an operating room. These tools face sterilization chemicals, blood, and moisture. Which material - pure iron, aluminium, or stainless steel - is best for making these tools? Justify your answer.(2 marks)

The image below shows surgical tools used in an operating room. These tools face sterilization chemicals, blood, and moisture. Which material - pure iron, aluminium, or stainless steel - is best for making these tools? Justify your answer.(2 marks)

The image below shows surgical tools used in an operating room. These tools face sterilization, chemicals, blood, and moisture. Which material - pure iron, aluminium, or stainless steel - is best for making these tools? Justify your answer. (2 marks)

The image below shows surgical tools used in an operating room. These tools face sterilization, chemicals, blood, and moisture. Which material - pure iron, aluminium, or stainless steel - is best for making these tools? Justify your answer. (2 marks)

A satellite construction company requires materials that must withstand extreme temperature changes and space radiation. Between iron, aluminium, and silicon, which material is most suitable for the main structure, and why?(2 marks)

A satellite construction company requires materials that must withstand extreme temperature changes and space radiation. Between iron, aluminium, and silicon, which material is most suitable for the main structure, and why?(2 marks)

A satellite construction company requires materials that must withstand extreme temperature changes and space radiation. Between iron, aluminium, and silicon, which material is most suitable for the main structure, and why?(2 marks)

A satellite construction company requires materials that must withstand extreme temperature changes and space radiation. Between iron, aluminium, and silicon, which material is most suitable for the main structure, and why?(2 marks)

A satellite construction company requires materials that must withstand extreme temperature changes and space radiation. Between iron, aluminium, and silicon, which material is most suitable for the main structure, and why?(2 marks)

A satellite construction company requires materials that must withstand extreme temperature changes and space radiation. Between iron, aluminium, and silicon, which material is most suitable for the main structure, and why?  (2 marks)

A satellite construction company requires materials that must withstand extreme temperature changes and space radiation. Between iron, aluminium, and silicon, which material is most suitable for the main structure, and why?  (2 marks)

A high-rise building in Nairobi must use materials that can support heavy loads, resist corrosion from rain, and last long under urban pollution. Should the builders use pure iron, aluminium, or a mixture (alloy), and why?(2 marks)

A high-rise building in Nairobi must use materials that can support heavy loads, resist corrosion from rain, and last long under urban pollution. Should the builders use pure iron, aluminium, or a mixture (alloy), and why?(2 marks)

A high-rise building in Nairobi must use materials that can support heavy loads, resist corrosion from rain, and last long under urban pollution. Should the builders use pure iron, aluminium, or a mixture (alloy), and why?(2 marks)

A high-rise building in Nairobi must use materials that can support heavy loads, resist corrosion from rain, and last long under urban pollution. Should the builders use pure iron, aluminium, or a mixture (alloy), and why?(2 marks)

A high-rise building in Nairobi must use materials that can support heavy loads, resist corrosion from rain, and last long under urban pollution. Should the builders use pure iron, aluminium, or a mixture (alloy), and why?(2 marks)

A high-rise building in Nairobi must use materials that can support heavy loads, resist corrosion from rain, and last long under urban pollution. Should the builders use pure iron, aluminium, or a mixture (alloy), and why? (2 marks)

A government project is building shelters in arid regions of Northern Kenya where temperatures are high, rains are rare, but occasional flash floods can occur. The shelters must be durable, affordable, and resist rust during rare rains. Given this, should the contractor use iron or aluminium sheets for roofing, and why?(2 marks)

A government project is building shelters in arid regions of Northern Kenya where temperatures are high, rains are rare, but occasional flash floods can occur. The shelters must be durable, affordable, and resist rust during rare rains. Given this, should the contractor use iron or aluminium sheets for roofing, and why?(2 marks)

A government project is building shelters in arid regions of Northern Kenya where temperatures are high, rains are rare, but occasional flash floods can occur. The shelters must be durable, affordable, and resist rust during rare rains. Given this, should the contractor use iron or aluminium sheets for roofing, and why?(2 marks)

A government project is building shelters in arid regions of Northern Kenya where temperatures are high, rains are rare, but occasional flash floods can occur. The shelters must be durable, affordable, and resist rust during rare rains. Given this, should the contractor use iron or aluminium sheets for roofing, and why?(2 marks)

A government project is building shelters in arid regions of Northern Kenya where temperatures are high, rains are rare, but occasional flash floods can occur. The shelters must be durable, affordable, and resist rust during rare rains. Given this, should the contractor use iron or aluminium sheets for roofing, and why? (2 marks)

A government project is building shelters in arid regions of Northern Kenya where temperatures are high, rains are rare, but occasional flash floods can occur. The shelters must be durable, affordable, and resist rust during rare rains. Given this, should the contractor use iron or aluminium sheets for roofing, and why? (2 marks)

A medical research facility is producing microchips that must precisely control electrical signals in equipment exposed to sterilization chemicals. Should they use copper, aluminium, or silicon for these chips, and why?(2 marks)

A medical research facility is producing microchips that must precisely control electrical signals in equipment exposed to sterilization chemicals. Should they use copper, aluminium, or silicon for these chips, and why?(2 marks)

A medical research facility is producing microchips that must precisely control electrical signals in equipment exposed to sterilization chemicals. Should they use copper, aluminium, or silicon for these chips, and why?(2 marks)

A medical research facility is producing microchips that must precisely control electrical signals in equipment exposed to sterilization chemicals. Should they use copper, aluminium, or silicon for these chips, and why?(2 marks)

A medical research facility is producing microchips that must precisely control electrical signals in equipment exposed to sterilization chemicals. Should they use copper, aluminium, or silicon for these chips, and why? (2 marks)

A medical research facility is producing microchips that must precisely control electrical signals in equipment exposed to sterilization chemicals. Should they use copper, aluminium, or silicon for these chips, and why? (2 marks)

A medical research facility is producing microchips that must precisely control electrical signals in equipment exposed to sterilization chemicals. Should they use copper, aluminium, or silicon for these chips, and why? (2 marks)