In the physical science lab, Kim and Dawn added small pieces of magnesium to hydrochloric acid. They observed that bubbles formed, the test tube got hot, and the magnesium disappeared. What is a sign that a chemical reaction has taken place in this experiment?
a. odor
b. gas is produced
c. magnesium appeared
d. temperature decreased
Answers (1)
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “In the physical science lab, Kim and Dawn added small pieces of magnesium to hydrochloric acid. They observed that bubbles formed, the test ...” in 📙 Chemistry if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers
You Might be Interested in
In which laboratory process is a volume of solution of known concentration used to determine the concentration of another solution? (1) deposition (2) distillation (3) filtration (4) titration
Answers (1)
Is an elements reactivity determined by the number of protons found in an atom of the element
Answers (2)
An atomic mass unit is equal to
Answers (1)
Name the following chemical compound. be (no3) 2
Answers (1)
Which of the following is not a correct statement regarding the energy in a chemical bond? It is stored between atoms. It is known as bond energy. It is energy associated with motion. It has a fixed quantity.
Answers (1)
New Questions in Chemistry
Why does the body of the bird covered with feathers?
Answers (1)
One molecule of caffeine contains 8 atoms of carbon, 10 atoms of hydrogen, 2 atoms of oxygen, 4 atoms of nitrogen. write the formula for caffeine with the elements in the order they are given.
Answers (1)
A piece of magnesium metal is heated in the presence of chlorine gas, and a reaction takes place. What compound will most likely be produced? A. Mg2C1 B. MgCl3 C. MgCl2 D. MgCI
Answers (1)
What is the pressure of the gas in this mercury manometer if h = 81 mm and atmospheric pressure is 749 mmHg
Answers (1)
A microscope containing two or more lenses is an
Answers (1)