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3.metals and non-metals(10)

3.metals and non-metals(10)

18 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Bauxite is an ore of

  1. iron
  2. aluminium
  3. copper
  4. tin
Question 2 Multiple Choice (Single Answer)

Hematite is an ore of

  1. iron
  2. aluminium
  3. copper
  4. tin
Question 3 Multiple Choice (Single Answer)

Bauxite is an ore of

  1. iron
  2. aluminium
  3. copper
  4. tin
Question 4 Multiple Choice (Single Answer)

Which of the following methods is suitable for preventing an iron frying pan from rusting?

  1. Applying grease
  2. Applying paint
  3. Applying a coating of zinc
  4. All of the above
Question 5 Multiple Choice (Single Answer)

An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. The element is likely to be

  1. Calcium
  2. Carbon
  3. Silicon
  4. Iron
Question 6 Multiple Choice (Single Answer)

Food cans are coated with tin and not with zinc because

  1. Zinc is costlier than tin
  2. Zinc has a higher melting point than tin.
  3. Zinc is more reactive than tin
  4. Zinc is less reactive than tin
Question 7 Multiple Choice (Single Answer)

Hematite is an ore of

  1. iron
  2. aluminium
  3. copper
  4. tin
Question 8 Multiple Choice (Single Answer)

What are the constituents of alloy solder?

  1. Copper, zinc
  2. Copper, tin
  3. Lead, Zinc
  4. Lead, tin
Question 9 Multiple Choice (Single Answer)

Which of the is more reactive?

  1. Hg
  2. Al
  3. Ag
  4. Ca
Question 10 Multiple Choice (Single Answer)

By which reaction metal is obtained from metal oxide?

  1. Liquefaction
  2. Reduction
  3. Calcination
  4. Roasting
Question 11 Multiple Choice (Single Answer)

Which non-metallic element is in liquid form?

  1. Carbon
  2. Hydrogen
  3. Bromine
  4. Phosphorus
Question 12 Multiple Choice (Single Answer)

Which of the following non-metal is good conductor of electricity?

  1. Graphite
  2. Phosphorus
  3. Hydrogen
  4. Bromine
Question 13 Multiple Choice (Single Answer)

Which of the following is not a half-metal?

  1. Silicon,
  2. Boron,
  3. Arsenic,
  4. Chlorine
Question 14 Multiple Choice (Single Answer)

Of these, the most ductile metal is ___________

  1. Al
  2. Au
  3. Cu
  4. Ag
Question 15 Multiple Choice (Single Answer)

Of these, the least dense metal is ___________

  1. Fe
  2. Zn
  3. Al
  4. K
Question 16 Multiple Choice (Single Answer)

Of these, the most reactive metal is____________

  1. Fe
  2. Au
  3. Cu
  4. Na
Question 17 Multiple Choice (Single Answer)

Which of the following is displaced by ‘Cu’?

  1. Fe2+
  2. Ag+
  3. Zn2+
  4. Al3+
Question 18 Multiple Choice (Single Answer)

Which of the following metals does not displace H2 gas from dilute HCI or dilute H2SO4?

  1. Mg
  2. Cu
  3. Zn
  4. Al
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