A student takes four samples of a white crystalline solid and places each in a well plate. On top of each sample, she carefully

Question

3 years ago

15

A student takes four samples of a white crystalline solid and places each in a well plate. On top of each sample, she carefully

places 20 drops of clear mystery liquids A, B, C and D. Her results for each well are:
Liquid A: The solid dissolves quickly.
Liquid B: The solid appears unchanged.
Liquid C: A brownish colored liquid is produced.
Liquid D: Fizzing occurs and the well becomes warmer.

In which well does a PHYSICAL change occur?

A)
A

B)
B

C)
C

D)
D

Social Studies

2 answers:

Jobisdone [24] · Answer 1 · 2022-07-19T05:25:22+03:00

Jobisdone [24]3 years ago

8 0

Answer: A

Explanation:liquid A only dissolved but didn’t change the substance

Nana76 [90] · Answer 2 · 2022-07-19T06:39:04+03:00

Nana76 [90]3 years ago

4 0

Answer:

a

Explanation: