The branch of chemistry which deals with a substance containing carbon is called

  • carbon chemistry
  • inorganic chemistry
  • organic chemistry
  • environmental chemistry

The mass of 1 mole of sucrose is

  • 320g
  • 342g
  • 341g
  • 340g

The matter is anything that occupies

  • space only
  • mass only
  • time
  • space and mass

The formula which gives the simplest whole-number ratio of atoms is

  • empirical formula
  • molecular formula
  • chemical formula
  • actual formula

A mixture that consists of different components is called

  • homogeneous mixture
  • heterogeneous mixture
  • mixture
  • dilute solution

Free radicals are electrically

  • positively charged
  • negatively charged
  • neutral
  • all of above

The empirical formula for water is

  • CO2
  • HO
  • H2
  • H2O

Hair contains keratin proteins which are also present in nails and wool is an example of

  • Biochemistry
  • Inorganic chemistry
  • Physical chemistry
  • organic chemistry

The natural force that holds together elements together is called

  • chemical bond
  • force of attraction
  • gravitational force
  • physical bond
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