Register
A student performed an experiment in which 10 mL of a strong acid was placed on a sample of limestone. Bubbles formed where the acid touched the limestone. After 20 minutes, the bubbling stopped and the
160k views
1 vote
A student performed an experiment in which 10 mL of a strong acid was placed on a sample of limestone. Bubbles formed where the acid touched the limestone. After 20 minutes, the bubbling stopped and the surface of the limestone appeared unchanged. What is an observation that suggests a chemical reaction did in fact take place between the acid and the limestone?

a) The limestone appeared to be unchanged.
b) The acid had to be prepared beforehand.
c) Bubbles formed where the acid and limestone touched.
d) None of the above

User Pedrom
by
4.3k points

2 Answers

4 votes

Answer:

Answer is D, None of the above :)

Step-by-step explanation:

User Richard Lovell
by
4.0k points
6 votes
The answer is d !!!!
User Supun Dharmarathne
by
4.6k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

4.6m questions

6.0m answers

Other Questions

What does measurement mean
A solution is made by dissolving 2.3 moles of sodium chloride (NaCl) in 0.155 kilograms of water. If the molal boiling point constant for water (Kb) is 0.51 °C/m, what would be the boiling point of this
A gas at 89 degrees C occupies 125.7mL at 123.3kPa. What volume does it occupy at 25 degrees C and 100.9kPa?
Which term describes the movement if water molecules in and out of a cell
To make a table of the elements, dimitri Mendeleev sorted the elements according to their?
Link Copied!