Class VI

Chemical formula of sodium chloride is
  1. C12H22O11
  2. NaCl
  3. C2H3O2
  4. NaHCO3
Mixture of tartaric acid and sodium bicarbonate forms
  1. baking powder
  2. coco powder
  3. coconut powder
  4. talcum powder
substance formed when two or more elements are mixed together without chemical reaction is known as
  1. molecule
  2. mixture
  3. atom
  4. compound
Other than symbols, chemical formulas also contain
  1. instant number
  2. cellular number
  3. oxidation number
  4. atom number
Hydrogen is also used in
  1. paint industries
  2. fertilizer
  3. rocket fuel
  4. all of them
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