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Questions and Answers

The gas produced, due to incomplete combustion of carbon fuels, is

  • Carbon dioxide
  • Carbon monoxide (correct)
  • Sulphur dioxide
  • Nitrogen dioxide

Which of the following is an example of a non-combustible substance is-

  • Petrol
  • Coal
  • Iron (correct)
  • Wood

The phenomenon of the splitting of white light into seven colours is known as the phenomenon of ________

The highest temperature zone of a candle flame, is its-

<p>Yellow zone (A)</p> Signup and view all the answers

What is a spring balance?

<p>It is a device which measures weight of the body.</p> Signup and view all the answers

The pressure exerted by air around us?

<p>Atmospheric pressure (C)</p> Signup and view all the answers

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