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Indian Navy SSR Metals and Non-metals — practice questions

Explore 2 free Metals and Non-metals questions in Indian Navy SSR Science. Open each question or exercise to read its content, reference answers and available explanation.

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Metals and Non-metals questions and exercises with answers

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Ionic compounds generally have high melting and boiling points because of:Read the answer and worked solution →Brass is an alloy of:Read the answer and worked solution →

Worked practice questions

Ionic compounds generally have high melting and boiling points because of:

  1. weak van der Waals forces
  2. covalent bonding
  3. strong electrostatic forces between ions
  4. low lattice energy
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Correct answer: C. strong electrostatic forces between ions

Strong electrostatic attraction between ions in the lattice requires large energy to break, giving high melting points.

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Brass is an alloy of:

  1. copper and nickel
  2. iron and carbon
  3. copper and tin
  4. copper and zinc
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Correct answer: D. copper and zinc

Brass = copper + zinc; bronze = copper + tin.

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More Science topics

Science & TechnologyChemical Reactions and EquationsElectricityLight - Reflection and RefractionAcids, Bases and SaltsAcids Bases SaltsCarbon and its CompoundsMetals & Non-metals