Class XI

In Sulfuric Acid (H2SO4), chemical composition of Hydrogen (H) is
  1. 0.224
  2. 0.0204
  3. 0.0224
  4. 0.244
Thermal decomposition does not occur in
  1. Carbonates
  2. Hydroxides
  3. Sulphates
  4. Nitrates
 Surface area is greater in
  1. Small particles
  2. Powdered particles
  3. Larger lumps
  4. Crystals
Thermal decomposition does not occur in
  1. Carbonates
  2. Hydroxides
  3. Sulphates
  4. Nitrates
Metals are
  1. Good conductors of heat
  2. Good conductors of electricity
  3. Not rigid
  4. All of these
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