Quiz: Can You Recognize These Chemical Compounds?

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| Written by Channerz

Channerz

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Quizzes Created: 1 | Total Attempts: 10,505

Questions: 8 | Attempts: 10,505 | Updated: Mar 22, 2023

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1.

What is the name of the following chemical formula? NaCl
- A.
  
  Monosodium monochloride
- B.
  
  Sodium chlorine
- C.
  
  Sodiumide chlorine
- D.
  
  Sodium chloride
Correct Answer
D. Sodium chloride

Explanation
The correct answer is Sodium chloride because NaCl is the chemical formula for sodium chloride. Monosodium monochloride is not the correct name for NaCl. Sodium chlorine and Sodiumide chlorine are not valid chemical names.

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2.

What is the name of the following chemical formula? Fe₂O₃
- A.
  
  Iron oxide
- B.
  
  Iron (III) oxide
- C.
  
  Iron (II) oxide
- D.
  
  Diiron trioxide
Correct Answer
B. Iron (III) oxide

Explanation
The chemical formula Fe2O3 represents a compound composed of two iron (Fe) atoms and three oxygen (O) atoms. Iron (III) oxide is the correct name for this compound because Fe has a +3 oxidation state in this compound, indicating that it has lost three electrons. The Roman numeral III in parentheses represents the oxidation state of iron.

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3.

What is the name of the following chemical formula? AuP
- A.
  
  Gold phosphide
- B.
  
  Gold (I) phosphide
- C.
  
  Gold (III) phosphide
- D.
  
  Gold Monophosphide
Correct Answer
C. Gold (III) phosphide

Explanation
The chemical formula AuP indicates a compound composed of gold and phosphorus. The correct answer, "Gold (III) phosphide," suggests that the gold in the compound is in its +3 oxidation state, while phosphide refers to the phosphorus ion with a -3 charge. This naming convention follows the rules of chemical nomenclature, where Roman numerals are used to indicate the oxidation state of the metal in the compound.

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4.

What is the name of the following chemical formula? P₂Cl₅
- A.
  
  Phosphorus chloride
- B.
  
  Phosphorus (II) chloride
- C.
  
  Phosphorus (V) chloride
- D.
  
  Diphosphorus pentachloride
Correct Answer
D. Diphosphorus pentachloride

Explanation
The chemical formula P2Cl5 indicates that there are two phosphorus atoms and five chlorine atoms in the compound. Therefore, the correct name for this chemical formula is diphosphorus pentachloride, as it accurately describes the composition of the compound.

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5.

The chemical compound formula for Potassium Permanganate:
- A.
  
  KMgO₄
- B.
  
  KMnO₄
- C.
  
  PMnO₄
- D.
  
  PMnO₂
Correct Answer
B. KMnO₄

Explanation
Potassium permanganate is a chemical compound commonly used as a disinfectant and oxidizing agent. Its formula is KMnO4, which indicates that it consists of one potassium atom (K), one manganese atom (Mn), and four oxygen atoms (O). The correct answer, KMnO4, represents the correct combination of these elements in the compound.

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6.

Can you recognize this chemical compound formula: CaS
- A.
  
  Calcium sulphate
- B.
  
  Calcium silicate
- C.
  
  Calcium sulfide
- D.
  
  Calcium hydroxide
Correct Answer
C. Calcium sulfide

Explanation
The correct answer is Calcium sulfide. The chemical formula CaS represents calcium sulfide, which is a compound made up of one calcium atom and one sulfur atom. Calcium sulfide is a yellowish-white solid that is commonly used in the production of pigments, dyes, and phosphors. It is also used in the manufacturing of rubber and as a reducing agent in various chemical reactions.

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7.

What is the chemical compound formula for Sodium bisulfate?
- A.
  
  NaHSO₄
- B.
  
  N₂HSO₄
- C.
  
  Na₂HSO4
- D.
  
  Na₂H₂SO₄
Correct Answer
A. NaHSO₄

Explanation
The correct answer is NaHSO4. Sodium bisulfate is a compound formed by the combination of sodium (Na), hydrogen (H), sulfur (S), and oxygen (O). The formula NaHSO4 represents the correct combination of these elements in the compound.

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8.

Recognize this chemical compound: AgNO₃
- A.
  
  Silver nitrite
- B.
  
  Silver nitro oxide
- C.
  
  Silver nitrate
- D.
  
  Silver neo-oxide
Correct Answer
C. Silver nitrate

Explanation
The chemical compound AgNO3 is known as silver nitrate. This compound is commonly used in various applications such as photography, medicine, and laboratory experiments. Silver nitrate is a white crystalline solid that is highly soluble in water. It is often used as a reagent in chemical reactions and is known for its ability to form a black precipitate when exposed to light.

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Quiz: Can You Recognize These Chemical Compounds?

What is the name of the following chemical formula? NaCl

What is the name of the following chemical formula? Fe2O3

What is the name of the following chemical formula? AuP

What is the name of the following chemical formula? P2Cl5

The chemical compound formula for Potassium Permanganate:

Can you recognize this chemical compound formula: CaS

What is the chemical compound formula for Sodium bisulfate?

Recognize this chemical compound: AgNO3

What is the name of the following chemical formula? Fe₂O₃

What is the name of the following chemical formula? P₂Cl₅

Recognize this chemical compound: AgNO₃