Class XI

Color gas is
  1. Methane
  2. Ethane
  3. Propane
  4. Butane
Amphoteric oxides react with acids to form
  1. Salt
  2. Water
  3. Acids or bases
  4. Both A and B
In periodic table, non-metals are found in the
  1. Right hand side
  2. Left hand side
  3. Extreme right hand side
  4. Bottom of periodic table
 Lemon juice has a pH of
  1. 2
  2. 3
  3. 4
  4. 11
A solid that reappears from solution is called
  1. Sublimate
  2. Residue
  3. Immiscible
  4. Crystal
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