Nature Of Matter Class 6 MCQ Quiz Questions And Answers

Reviewed by Zohra Sattar Waxali

Zohra Sattar Waxali, PhD (Chemistry) |

Chemistry

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Dr. Zohra Sattar Waxali earned her doctorate in chemistry and biochemistry from Northwestern University, specializing in the metallomes of cardiac cells and stem cells, and their impact on biological function. Her research encompasses the development of arsenoplatin chemotherapeutics, stapled peptide estrogen receptor inhibitors, and antimicrobial natural products.

, PhD (Chemistry)

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Questions: 10 | Attempts: 13,283 | Updated: Feb 2, 2024

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Are you studying in class 6th and looking for good quality MCQ quiz questions and answers? Congrats, buddy, you're at the right place. Now, don't waste your precious time and start playing this quiz. Also, you'd be able to assess your basic chemistry knowledge. A matter is anything that has mass and occupies space, and we can easily feel it. Its examples include air, water, table, food, pen, etc. Shall we begin the quiz now? Good luck!

Questions and Answers

1.

What is made up of two or more pure substances which may be in any ratio?
- A.
  
  Atom
- B.
  
  Element
- C.
  
  Mixture
- D.
  
  Molecule
Correct Answer
C. Mixture

Explanation
A mixture is made up of two or more pure substances which may be in any ratio. It is a combination of different substances that are physically combined, but not chemically bonded. Unlike elements or molecules, which are specific types of substances, a mixture can vary in composition and properties depending on the amounts and types of substances present. Therefore, a mixture is the correct answer to the question.

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0
2.

A _____ has fixed shape and volume.
- A.
  
  Liquid
- B.
  
  Gas
- C.
  
  Solid
- D.
  
  None
Correct Answer
C. Solid

Explanation
A solid has a fixed shape and volume because its particles are closely packed together and have strong intermolecular forces. This arrangement allows solids to maintain their shape and resist changes in volume when subjected to external forces. Unlike liquids and gases, solids do not flow or take the shape of their container, making them distinct in terms of their fixed shape and volume.

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3.

A symbol of calcium _________.
- A.
  
  Ca
- B.
  
  C
- C.
  
  K
- D.
  
  Cal
Correct Answer
A. Ca

Explanation
The symbol "Ca" is the chemical symbol for calcium. Chemical symbols are used to represent elements in the periodic table, and "Ca" specifically represents the element calcium.

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22
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4.

The particles of a solid are packed ___________.
- A.
  
  Loosely
- B.
  
  Tightly
- C.
  
  Packed
- D.
  
  Separated
Correct Answer
B. Tightly

Explanation
The particles of a solid are packed tightly. This means that the particles are closely packed together, with very little space between them. This tight packing gives solids their characteristic shape and volume, as the particles are not able to move freely. The strong intermolecular forces between the particles in a solid also contribute to this tight packing arrangement.

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5.

The grouping of materials with having similar properties is called
- A.
  
  Classification
- B.
  
  Mixing
- C.
  
  Dissolution
- D.
  
  Saturation
Correct Answer
A. Classification

Explanation
The correct answer is "classification." Classification refers to the act of grouping materials together based on their similar properties. This process helps in organizing and categorizing different materials, making it easier to study and understand them. It allows scientists and researchers to identify patterns and relationships between materials, leading to a better understanding of their behavior and characteristics.

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6.

Which of the following is not a pure substance?
- A.
  
  Copper
- B.
  
  Sugar solution
- C.
  
  Water
- D.
  
  Gold
Correct Answer
B. Sugar solution

Explanation
A pure substance is defined as a substance that is made up of only one type of atom or molecule. Copper, water, and gold are all examples of pure substances because they consist of only one type of element or compound. However, a sugar solution is not a pure substance because it is a mixture of sugar molecules dissolved in water. Therefore, the correct answer is sugar solution.

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7.

What is an example of a compound?
- A.
  
  Sugar solution
- B.
  
  Ammonia
- C.
  
  Hydrogen
- D.
  
  Sodium
Correct Answer
B. Ammonia

Explanation
Ammonia is an example of a compound because it is made up of two or more different elements chemically bonded together. It consists of one nitrogen atom and three hydrogen atoms, which are bonded together to form the compound ammonia. In contrast, sugar solution, hydrogen, and sodium are not compounds because they are either pure substances or elements.

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8.

Water is a/an
- A.
  
  Element
- B.
  
  Compound
- C.
  
  Mixture
- D.
  
  Pure substance
- E.
  
  Both B and D
Correct Answer
E. Both B and D

Explanation
Water is a compound and a pure substance because it is made up of two different elements, hydrogen and oxygen, chemically bonded together. A compound is a substance composed of two or more elements in a fixed ratio. In the case of water, the ratio is always two hydrogen atoms to one oxygen atom, resulting in the chemical formula H2O. This chemical bonding between the elements gives water its unique properties and characteristics.

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10
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9.

Which of the following is insoluble in water?
- A.
  
  Lemon juice
- B.
  
  Oil
- C.
  
  Sugar
- D.
  
  Salt
Correct Answer
B. Oil

Explanation
Oil is insoluble in water because it is a nonpolar substance, while water is a polar substance. Polar substances dissolve in other polar substances, and nonpolar substances dissolve in other nonpolar substances. Since oil and water have different polarities, they do not mix and oil does not dissolve in water.

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10.

Pb is the symbol of ___________
- A.
  
  Lead
- B.
  
  Magnesium
- C.
  
  Lead Nitrate
- D.
  
  Gold
Correct Answer
A. Lead

Explanation
The correct answer is Lead. Pb is the symbol for lead on the periodic table.

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Zohra Sattar Waxali |PhD (Chemistry) |

Chemistry

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Sep 22, 2012

Quiz Created by
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Nature Of Matter Class 6 MCQ Quiz Questions And Answers

What is made up of two or more pure substances which may be in any ratio?

A _____ has fixed shape and volume.

A symbol of calcium _________.

The particles of a solid are packed ___________.

The grouping of materials with having similar properties is called

Which of the following is not a pure substance?

What is an example of a compound?

Water is a/an

Which of the following is insoluble in water?

Pb is the symbol of ___________