Acid-base indicator changes color based on pH.
drop some in a solution n watch the color changes. different indicators show different colors at different pH. they usually have standard colors for comparison.
D a positive charge because “pro”tons have a positive charge
<span>B. Making sure that a piece of work is correct and includes bias- we do not want bias in scientific papers!
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Explanation:
A precipitate is defined as an insoluble substance that emerges upon mixing of two aqueous solutions.
For example,
As precipitate is a solid and it is represented by (s). And, an aqueous solution is represented by (aq).
So, the products of the given reactants will be as follows.
Hence, we can conclude that out of the given options, these two equations will produce a precipitate.
Answer:
The ratio of an object's mass to its volume is called density of an object
Explanation:
Density=mass/volume