Class XI

An empirical formula represents the simplest
  1. whole number ratio of various atoms present in a compound
  2. average fractional ratio of various atoms present in a compound
  3. ratio of masses of various elements present in a compound
  4. whole number ratio of the elements present in a compound
There are ____ cms. in 0.101 mm . ?
  1. 10.10 cm
  2. 0.101 cms.
  3. 0.0101 cms.
  4. 1.010 cm
There are ___ L in 12.0 ml?
  1. 0.10 L
  2. 0.12 L
  3. 0.012 L
  4. 0.0012 L
There are ____ L in 0.05 ml?
  1. 0.50 L
  2. 0.0005 liters
  3. 0.00005 L
  4. 5.0 liters
According to Gay Lussac’s Law of Gaseous Volumes, " when gases combine or are produced in a chemical reaction they do so in a ______ ratio by volumes provided all gases are at same temperature and pressure."
  1. uncertain
  2. inverse
  3. simple
  4. equal
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