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What is extracted from Bauxite ?

  • Mica
  • Aluminium
  • Copper
  • Tin

Answer: Option B

Similar Questions :

1. Which one of the following gas is readily soluble in water at room temperature ?

  • chlorine
  • nitrogen
  • ammonia
  • carbon dioxide

Answer: Option D

2. Identify the wrong statement in the following

  • Atomic radius of the elements increases as one moves down the first group of the periodic table
  • Atomic radius of the elements decreases as one moves across from left to right in the 2nd period of the
  • Amongst isoelectronic species, smaller the positive charge on the cation, smaller is the ionic radius
  • Amongst isoelectronic species, greater the negative charge on the anion, larger is the ionic radius

Answer: Option C

3. What is Calcium sulphate ?

  • epsom salt
  • blue vitriol
  • gypsum salt
  • potash alum

Answer: Option C

4. The metallurgical process in which a metal is obtained in a fused state is called ?

  • roasting
  • calcinations
  • smelting
  • froth floatation

Answer: Option C

5. A catalyst is a substance which

  • increases the activation energy
  • increases the rate of reaction and increases the equilibrium concentration of products
  • changes the equilibrium of a reaction so that the concentration of the product increases
  • hastens the attainment of equilibrium

Answer: Option D

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