Class VII

Element which is non-metal and is found on right side of periodic table is
  1. Argon
  2. s odium
  3. Both a and b
  4. Neon
There were on four elements including air, earth, water and fire, it was believed by
  1. Germans
  2. Greeks
  3. Chinese
  4. Americans
Name of element may differ in in different languages but there is same
  1. Chemical symbol
  2. Chemical formula
  3. Chemical properties
  4. Occurrence
Which of the following is used in pencils?
  1. Graphite
  2. Silicon
  3. Charcoal
  4. Phosphorous
A very light and inert gas is
  1. Oxygen
  2. Hydrogen
  3. Helium
  4. Neon
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