Class VII

Non-metals includes
  1. Iodine
  2. Sulphur
  3. Bromine
  4. All of them
Helium is considered to be abundantly found ranking in number
  1. 1
  2. 2
  3. 3
  4. 4
Ag is symbol of element
  1. Silver
  2. Gold
  3. Iron
  4. Copper
Iron sulfide is formed when iron and Sulphur are together
  1. Heated
  2. Mixed
  3. Dissolved in water
  4. Evaporated
While going across period from left towards right elements change from metal to
  1. Acids
  2. Non-metals
  3. Alkalis
  4. Metalloids
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