Class VII

Stainless steel pans are usually provided with copper bottoms. The reason for this could be that
  1. copper bottom makes the pan more durable
  2. such pans appear colourful.
  3. copper is a better conductor of heat than the stainless steel
  4. copper is easier to clean than the stainless steel.
Device used for measuring temperatures is called a
  1. Barometer
  2. Odometer
  3. Thermometer
  4. Speedometer ☛
In Fahrenheit scale, water freezes at
  1. 0° F
  2. 32° F
  3. 40° F
  4. 212° F
A Thermos flask prevents loss or gain of heat by
  1. conduction only
  2. convection only
  3. radiation only
  4. all the above
Sea breeze is caused due to
  1. conduction
  2. convection
  3. radiation
  4. all of these
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