drewparker2007 drewparker2007

12-10-2020
Biology

contestada

Which of the following is a chemical property of iron?
A. Iron corrodes in moist air.
B. Iron is soft when pure.
C. Iron melts at 1808 K.
D. Iron's density = 7.874 g/cm3

Respuesta :

12-10-2020

Answer:

A

Explanation:

Iron corrodes in moist air. When iron gets exposed to air, it reacts with oxygen molecules to form rust. Rust degrades the quality of iron. Therefore, methods of protection from rusting like, Barf's protection, Sacrificial protection etc. are carried out.

Answer Link

Otras preguntas

Q: A: If 0° ≤ θ ≤ 90° and cosθ = 11 15 , what is the value of sin (90° - θ)?

Homes with multiple bathrooms have outlets connected in series with a red reset button in the system. What is the reason for this circuit design?

What is the largest temperature variation during the day?

Which discovery is attributed to Phoebus Levene? A:extraction and observation of DNA B:identification of ribose and deoxyribose C:recognition of RNA as DNA’s me

Person A buys 12 granola bars and 7 cups of yogurt for $15.50. Person B buys 6 granola bars and 11 cups of yogurt for $11.50. Find the cost of each item.

In The Adventures of Huckleberry Finn, the house is packed with people after the duke hangs his signs. Which statement best explains how this could be viewed as

The patient who was eventually diagnosed with graves' disease first presented with the abnormal protrusion of the eyeball, or _____.

The sum of a number, 1/6 of that number, 2 1/2 of that number , and 7 is 12 1/2. Find the number

Which reaction is most likely catabolic? A + B mc020-1.jpg C + energy A + B + energy mc020-2.jpg C A + energy mc020-3.jpg B + C A mc020-4.jpg B + C + energy

During the water cycle, water in the air forms clouds. Which of the following processes causes the clouds to form?