This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Aluminum is more reactive than iron is, but iron corrodes more quickly. This occurs because A) ... (Read 52 times)

FButt

  • Hero Member
  • *****
  • Posts: 519
on: Aug 27, 2018
Aluminum is more reactive than iron is, but iron corrodes more quickly. This occurs because
 
  A) aluminum is reduced in the presence of oxygen while iron is oxidized.
  B) aluminum develops a coating of aluminum oxide, which protects it from further reaction.
  C) iron is exposed to both oxygen and water, while aluminum is rarely exposed to water.
  D) iron has a lower density than aluminum does.

Question 2

In the production of iron, coke is used. Coke is
 
  A) previously heated limestone.
  B) previously heated coal.
  C) black water formed from mixing coal and water.
  D) a mineral containing a variety of metals.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Kedrick2014

  • Sr. Member
  • ****
  • Posts: 359
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

B


FButt

  • Member
  • Posts: 519
Reply 2 on: Aug 27, 2018
Wow, this really help

nothere

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

How to quickly find the vertex of a quadratic equation that is in standard form How to quickly find the vertex of a quadratic equation that is in standard form
Climate change occurs over millions of years Climate change occurs over millions of years
Breakfast cereals rich in iron, vitamin D and vitamin B-12 Breakfast cereals rich in iron, vitamin D and vitamin B-12
Plant foods such as grains and vegetables are the main sources of nonheme iron in your diet Plant foods such as grains and vegetables are the main sources of nonheme iron in your diet
Kidney beans, steak, and iron-fortified bread and cereal are good sources of iron Kidney beans, steak, and iron-fortified bread and cereal are good sources of iron
Lead Displaces Iron Lead Displaces Iron
Video: Neuron Type Animation

For a complete list of videos, visit our video library