Activity 1.1: Nature of Matter
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Questions and Answers

What is the fundamental characteristic of matter that is observed in everything around us?

  • It has neither mass nor volume
  • It has only volume
  • It has both mass and volume (correct)
  • It has only mass

What did ancient Indian philosophers believe that everything was made up of?

  • The five basic elements - Panch Tatva (correct)
  • Four basic elements
  • Six basic elements
  • Ten basic elements

What is the classification of matter based on, according to modern day scientists?

  • Neither physical properties nor chemical nature
  • Only physical properties
  • Only chemical nature
  • Both physical properties and chemical nature (correct)

What was the difference in the two schools of thought regarding the nature of matter?

<p>One believed matter was continuous, the other believed it was made up of particles (A)</p> Signup and view all the answers

What will be discussed in subsequent chapters?

<p>Chemical nature of matter (B)</p> Signup and view all the answers

What is the term used to describe the amount of space occupied by an object?

<p>Volume (C)</p> Signup and view all the answers

What is the primary reason why a sponge can be compressed?

<p>Because it has minute holes with trapped air (A)</p> Signup and view all the answers

Which of the following is NOT a characteristic of the particles of a solid?

<p>Random motion (B)</p> Signup and view all the answers

What is the primary reason why we can smell hot sizzling food from a distance, but not cold food?

<p>The particles of hot food are more energetic (D)</p> Signup and view all the answers

What is the common characteristic of a chair, almonds, and lemon water?

<p>They are all matter (D)</p> Signup and view all the answers

Which property of matter does a diver's ability to cut through water in a swimming pool demonstrate?

<p>Density (A)</p> Signup and view all the answers

What is the shape of a sugar or salt crystal?

<p>Fixed (A)</p> Signup and view all the answers

What happens to the salt/sugar particles when it dissolves in water?

<p>It spreads throughout the water (A)</p> Signup and view all the answers

What is the SI unit of mass?

<p>Kilogram (kg) (C)</p> Signup and view all the answers

What is the purpose of Activity 1.2?

<p>To demonstrate that particles of matter are extremely small (B)</p> Signup and view all the answers

What is observed when potassium permanganate crystals are dissolved in water?

<p>The solution remains coloured even after dilution (B)</p> Signup and view all the answers

What is the purpose of Activity 1.3?

<p>To demonstrate that particles of matter are continuously moving (C)</p> Signup and view all the answers

What is the relationship between 1L and 1 dm3 in terms of volume?

<p>1L is equal to 1 dm3 (D)</p> Signup and view all the answers

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