Chapter No 1 :Chemistry of s , p , d , Block Elements (84 MCQ`S)

  1. Down's cell is used to prepare
    1. Aluminium
    2. Hydrogen
    3. Sodium metal
    4. copper
    5. Show Answer
      Answer: C
      Explanation:
      • N/A
  2. Nelson's cell is used to prepare
    1. Sodium sulphate
    2. sodium carbonate
    3. sodium hydoxide
    4. sodium
    5. Show Answer
      Answer: C
      Explanation:
      • N/A
  3. Chile salt peter has the chemical formula
    1. NaCl
    2. KNO3
    3. LiNO3
    4. NaNO3
    5. Show Answer
      Answer: D
      Explanation:
      • N/A
  4. The ore CaSO4.2H2O has the general name
    1. Gypsum
    2. Calcite
    3. Dolomite
    4. Bauxite
    5. Show Answer
      Answer: A
      Explanation:
      • N/A
  5. Which element is deposited at the cathode during the electrolysis of brine
    1. Na
    2. H2
    3. OH
    4. Cl2
    5. Show Answer
      Answer: B
      Explanation:
      • N/A
  6. Which ion will have maximum value of heat of hydration?
    1. Na+
    2. Ba+
    3. Cs+
    4. Mg+
    5. Show Answer
      Answer: D
      Explanation:
      • N/A
  7. Which one of the sulphates is not soluble in water?
    1. Sodium sulphate
    2. potassium sulphate
    3. Barium sulphate
    4. Zinc sulphate
    5. Show Answer
      Answer: C
      Explanation:
      • N/A
  8. Which is not mineral of Al?
    1. Diaspora
    2. Corundum
    3. Bauxite
    4. Galena
    5. Show Answer
      Answer: D
      Explanation:
      • N/A
  9. Which metal is used in the thermite process because of its activity?
    1. Iron
    2. Copper
    3. Aluminium
    4. Zinc
    5. Show Answer
      Answer: C
      Explanation:
      • N/A
  10. Aluminium oxide is:
    1. Acidic oxide
    2. Basic oxide
    3. Neutral
    4. Amphoteric
    5. Show Answer
      Answer: D
      Explanation:
      • N/A

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