Class XI

 Methylated spirit is a form of
  1. liquid
  2. gas
  3. crystal
  4. aqueous
Consider reaction: AgNO3 + NaCl → AgCl + NaNO3. state of NaNO3 will be
  1. solid
  2. aqueous
  3. gaseous
  4. liquid
 Other than O and C, main elements of a brick wall includes
  1. Silicon (Si)
  2. Calcium (Ca)
  3. Aluminum (Al)
  4. Both A and B
Particles in solids have
  1. least energy
  2. lesser energy
  3. greatest energy
  4. greatest distances
Difficulty of discharge is lowest in
  1. potassium ions
  2. sodium ions
  3. copper ions
  4. silver ions
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