Author Question: Which one of the following is not true concerning cathode rays? A) They originate from the ... (Read 59 times)

D2AR0N

  • Hero Member
  • *****
  • Posts: 561
Which one of the following is not true concerning cathode rays?
 
  A) They originate from the negative electrode.
  B) They travel in straight lines in the absence of electric or magnetic fields.
  C) They impart a negative charge to metals exposed to them.
  D) They are made up of electrons.
  E) The characteristics of cathode rays depend on the material from which they are emitted.

Question 2

The study of the effects of poisons, their detection and identification and their antidotes is known as
 
  A) alkaloidism.
  B) carcinogenic testing.
  C) berylliosis.
  D) toxicology.



rleezy04

  • Sr. Member
  • ****
  • Posts: 322
Answer to Question 1

E

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

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?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

For a complete list of videos, visit our video library