« previous next »

Author Question: What is the term for a modification of a substance that does not alter its chemical composition? ... (Read 127 times)

Ebrown

  • Hero Member
  • *****
  • Posts: 567
on: Aug 27, 2018
What is the term for a modification of a substance that does not alter its chemical composition?
 
  A) atomic change
  B) chemical change
  C) molecular change
  D) physical change
  E) none of the above

Question 2

Which of the following is an alkali metal?
 
  A) Al
  B) Cs
  C) Cu
  D) Mg
  E) none of the above


LVPMS

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Aug 27, 2018
Answer to Question 1

D)

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Term neonate. Term neonate.
Apply the substance to the abdomen in a clockwise motion. Apply the substance to the abdomen in a clockwise motion.
The U.S. military uses its own marking system to identify explosive hazards (left), chemical hazards ... The U.S. military uses its own marking system to identify explosive hazards (left), chemical hazards ...
The CAMEO entry for chlorine. Useful information includes chemical and physical properties, personal ... The CAMEO entry for chlorine. Useful information includes chemical and physical properties, personal ...
Sun's composition of Gases. Sun's composition of Gases.
No payments were made on a $2,598 loan during its three-year term. What was the annually ... No payments were made on a $2,598 loan during its three-year term. What was the annually ...
Video: Protein Structure - Primary, Secondary, Tertiary and Quaternary

For a complete list of videos, visit our video library