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faltersainse [42]
3 years ago
12

Which of the following causes a chemical change?

Chemistry
1 answer:
ycow [4]3 years ago
6 0
Distinguish the difference between physical change or chemical change.

Should be C.
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Which choice describes a population? A. all the gray squirrels that live in a forest B. a nonliving factor in an organism's envi
goldenfox [79]
I believe D. because all the organisms that live in a lake can be a bunch of living things that would be considered a population and not a species. I canceled out B. from the get go because, I don’t believe non living organisms can be in a population ?

Please get back to me if I’m right or wrong :)
5 0
3 years ago
A sample contains 0.1895 g of salt per 50 g of seawater. What is its salinity?
Naily [24]
Use the rule of 3 simple
50 g mean 100% 0,1895 mean x% cross multiplie and calcule the x value x = 0,1895*100/50 = ?%
7 0
3 years ago
What is the correct answer?
aksik [14]
I think the answer is c
5 0
3 years ago
What is the answer to question 7, NH4C2H3O2
Montano1993 [528]
I think it got deleted but the answer is Ammonium acetate maybe this is why it got deleted 10-9=1
3 0
3 years ago
Write the name for NaCl
neonofarm [45]

The name for NaCl is Sodium chloride

<h3>Salt and it's examples.</h3>

Salt is defined as the chemical compound that contains both a positively charged cation.and negatively charged anion.

It is formed by the reaction of acid and base is a neutralisation reaction.

Examples of salt include:

  • Sodium Chloride or Common Salt (NaCl)

  • Sodium Hydroxide (NaOH)

  • Sodium Carbonate or Washing Soda (Na2CO3.10H2O)

  • Baking Soda or Sodium Bi-carbonate (NaHCO3)

  • Bleaching Powder or Calcium Hypochlorite.

Therefore another name for salt is common salt.

Learn more about salt here:

brainly.com/question/13655717

8 0
2 years ago
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