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weqwewe [10]
2 years ago
9

Please answer

Chemistry
1 answer:
timofeeve [1]2 years ago
5 0

Answer:

1) petroleum, mixture, not found on periodic table

2) hydrogen and helium, mixture, contains "and"

3) iron sulphide, compound, ends with "ide"

4) carbon dioxide, compound, ends with "ide"

5) salt water, mixture, not found on periodic table

6) milk and sugar, mixture, contains "and"

7) silver nitrate, compound, ends with "ate"

8) sodium carbonate, compound, ends with "ate"

9) carbon electrode, mixture, not found on periodic table

10) astatine, element, found on periodic table

11) argon, element, found on periodic table

12) oxidane, compound, contains "ane"

13) iron and sulphur, mixture, contains "and"

14) methane, compound, contains "ane"

Explanation:

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Question 8 of 10
makkiz [27]

Answer:

6 elements which are  carbon, hydrogen, nitrogen, oxygen, sulfur and phosphorus

Explanation:

Living organisms are made up of various unit of giant organic molecules that have been produced through life processes.

The bulk of elements that makes up living organisms are carbon, hydrogen, nitrogen, oxygen, sulfur and phosphorus.

Carbon is almost present everywhere in living organisms. It's unique ability to form a key component lies on its bond formation capabilities. Carbon is found in nearly all organic molecules like carbohydrates, proteins, fats and oils, e.t.c

Hydrogen like carbon is key to life. It is light and making it form different bond types with carbon. It is one of the atoms that makes up water.

Nitrogen is usually found in proteins. They are unique elements that life cannot do without.

Oxygen is useful in respiration processes and it is the bedrock through which energy is released from glucose.

Sulfur is key to life.

Phosphorus in Adenosine Diphosphate is a good store of energy.

6 0
3 years ago
Read 2 more answers
While playing soccer, Carla slides across one of the lines on the field. When she stands up, what base does she dust off? calciu
babunello [35]

The soccer field has been placed with the outlines of the slaked lime. The chemical dust off from the falling has been calcium hydroxide.

<h3>What is slaked lime?</h3>

The boundary wall to the soccer or the other field has been marked with slaked lime powder. The chemical has the ability to react with bacteria and act as a disinfectant.

The slaked lime chemically is a white powder of calcium hydroxide. Thus, after falling on the soccer field, the chemical dusted off by Carla is calcium hydroxide. Thus, option A is correct.

Learn more about slaked lime, here:

brainly.com/question/497323

6 0
2 years ago
Which of the following would be a result of increased solar activity?
scoundrel [369]
<span>The question is asking us "Which of the following would be a result of increased solar activity?" The Sun is extremely hot, and when it is warm on Earth, the heat has as it source in the Sun. Therefore, an increased solar activity would mean increased temperature on Earth - longer summers and shorter winters, and warmer sea temperatures. The best answer is : B. Warmer-than-normal sea surface temperatures </span>
5 0
3 years ago
Read 2 more answers
What role does the vulture playing this food web
musickatia [10]

Answer:

scavenger- eats dead carcasses

Explanation:

4 0
3 years ago
How many resonance structures can be drawn for N2O5 (no N-N bond) (minimal formal charge)?
Nezavi [6.7K]
There are approximately 4 resonance structures that can be drawn for N205 (no N-N bond) (minimal formal charge). 
8 0
3 years ago
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