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JulijaS [17]
4 years ago
12

What is name of the towering volcanoes that form from both lava flows and cinder rocks?

Chemistry
2 answers:
GalinKa [24]4 years ago
8 0
I believe the answer is B

MatroZZZ [7]4 years ago
4 0
The answer is B hope it helps
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How many atoms are found in the chemical formula below
Stolb23 [73]

Answer:

2 atoms

Explanation:

There are 2 atoms in element NaCl. This is because there is 1 atom of Na (sodium) and 1 atom of Cl (chlorine) in each NaCl molecule. Elements by themselves do not have a "number of atoms"- if you're talking about the atomic number, it's the number of protons (or electrons in a neutral atom) of an element.

6 0
3 years ago
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O que são processos físicos de separação das misturas? Dê 3 exemplos
chubhunter [2.5K]

Answer:

Explanation:

The physical methods of separating mixtures are used in sorting a mixture of substances.

It requires no chemical changes occurring between their components and parts in any significant way.

Examples are:

  1. Decantation
  2. Filtration
  3. Sublimation
  4. Magnetism
  5. Centrifugation

The methods simply relies on the physical properties of matter.

8 0
3 years ago
In a polar covalent bond,
almond37 [142]

the answer is C because convalent bond is being bonded to an anion

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3 years ago
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The basic living unit of all organisms is the- A. Organ B. Tissue C. Organ System D. Cell
777dan777 [17]

Answer:

D:Cells

Explanation:

A cell is a the smallest unit of a living thing. A living thing whether made up of one cell which is Bacteria and a living thing whether made up of many cells which is Humans

5 0
3 years ago
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A ____________--(also called a reductant or reducer) is an element or compound that loses (or "donates") an electron to an elect
gladu [14]

Answer:

A <u><em>reducing agent </em></u>is an element or compound that loses (or "donates") an electron to an electron recipient (oxidizing agent) in a redox chemical reaction.

Explanation:

Redox reaction is defined as the reaction in which oxidation and reduction reaction occur simultaneously.

Oxidation reaction is defined as the chemical reaction in which an atom looses its electrons. The oxidation number of the atom gets increased during this reaction.

X\rightarrow X^{n+}+ne^-

Reduction reaction is defined as the chemical reaction in which an atom gains electrons. The oxidation number of the atom gets reduced during this reaction.

X^{n+}+ne^-\rightarrow X

Electrons are transferred from one atom to another in this type of reaction.

Reducing agent is defined as those substance which reduces other chemical compound and oxidizes itself by donating electrons.

Oxidizing agent is defined as those substance which oxidizes other chemical compound and reduces itself by accepting electrons.

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3 years ago
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