Class VIII

PCRA stands for
  1. Public Conservations Research Association
  2. Petroleum Conservation Research Association
  3. Public Council of Research Association
  4. Partial Counting of remaining Amendment
When coal burns in air then
  1. Carbon dioxide is formed
  2. Sulphur dioxide is formed
  3. Carbon monoxide is formed
  4. hydrogen gas is formed
The first oil well was drilled in
  1. USA
  2. USSR
  3. UK
  4. INDIA
Which of the following is natural resource?
  1. Car
  2. Bus
  3. Water
  4. Parks
Which of the following is obtained from coal tar ?
  1. Petrol
  2. Coke
  3. Air
  4. Naphthalene balls
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