Class XI

SI units for Base Physical Quantities of length, mass and current are
  1. meter, kilogram, ampere
  2. meter, gram, ampere
  3. meter, kilogram, candela
  4. decimetre, kilogram, ampere
There are ___ L in 12.0 ml?
  1. 0.10 L
  2. 0.12 L
  3. 0.012 L
  4. 0.0012 L
According to Avogadro Law equal volumes ofall gases at the same temperature and pressure should contain ---------- number of molecules .
  1. equal
  2. different
  3. unequal
  4. similar
There are ____ cms. in 0.101 mm . ?
  1. 10.10 cm
  2. 0.101 cms.
  3. 0.0101 cms.
  4. 1.010 cm
Chemistry does not play a major role in
  1. Large scale production of a variety of fertilizers
  2. Design and synthesis new materials having specific magnetic, electric and optical properties.
  3. Explaining superconductivity
  4. Explaining ozone depletion
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