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Subjects

Chemistry

Nature of matter

In Class 11 Chemistry, this topic introduces the fundamental nature of matter as part of “Some Basic Concepts of Chemistry.” Students learn that matter has mass, occupies space, and is made of tiny particles. They explore the states of matter, physical and chemical properties, and the classification of substances into elements, compounds, and mixtures. The topic also builds a foundation for understanding atoms, molecules, composition, and the quantitative ideas developed in later chemistry chapters.

Easy · Level 11 · 25 questions

TOPIC PRACTICE

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Up to 25 questions from this page. Select your focus, then start.

25 questions

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  1. Two or more elements combined in fixed ratio
  2. Two substances mixed in any ratio
  3. Only one kind of atom
  4. Always a gas
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  1. Element
  2. Compound
  3. Homogeneous mixture
  4. Metal
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  1. Salt
  2. Water
  3. Iron
  4. Lemonade
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  1. Only in fixed ratio
  2. In any ratio
  3. Always equal ratio
  4. Only whole number ratio
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  1. Element
  2. Compound
  3. Mixture
  4. Pure substance
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  1. Uniform composition throughout
  2. Different colour in every part
  3. Components easily visible
  4. Only solid state
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  1. It has a completely uniform appearance.
  2. It has different compositions in different parts.
  3. It contains only one element.
  4. It has a fixed chemical formula.
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  1. Heterogeneous mixture
  2. Homogeneous mixture
  3. Element
  4. Metal
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  1. Homogeneous mixture
  2. Heterogeneous mixture
  3. Element
  4. Compound
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  1. Homogeneous mixture
  2. Heterogeneous mixture
  3. Colloid
  4. Suspension
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  1. Homogeneous
  2. Heterogeneous
  3. Element
  4. Compound
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  1. Element
  2. Compound
  3. Alloy
  4. Pure metal
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  1. Alloy
  2. Single element
  3. Gaseous compound
  4. Pure non-metal
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  1. Element
  2. Homogeneous mixture
  3. Heterogeneous mixture
  4. Compound
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  1. Air
  2. Sugar water
  3. Brass
  4. Soil
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  1. Solid and gas
  2. Elements and compounds
  3. Homogeneous and heterogeneous
  4. Acids and metals
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  1. Elements and compounds
  2. Metals and non-metals
  3. Homogeneous and heterogeneous
  4. Solid and liquid
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  1. Compound
  2. Element
  3. Mixture
  4. Solution
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  1. Mixture
  2. Metal
  3. Compound
  4. Solution
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  1. Element
  2. Pure compound
  3. Mixture
  4. Single metal
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  1. Pure substance
  2. Heterogeneous mixture
  3. Alloy
  4. Smoke
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  1. Element
  2. Compound
  3. Heterogeneous mixture
  4. Pure gas
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  1. Sodium
  2. Sulfur
  3. Carbon
  4. Air
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  1. Water
  2. Carbon dioxide
  3. Sodium chloride
  4. Gold
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  1. Uniformly distributed
  2. Separated in layers
  3. Settled only at bottom
  4. Floating only at top

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