Question

QIII State whether True' or 'False'.
a) Kinetic energy of molecules is directly proportional to temperature.
b) When heat is constantly supplied by a burner to boiling water, then the
temperature of water during vaporization first rises and then becomes
constant
c) Bromine is a non-metal which exists as a liquid at room temperature.
d) Burning of wood is a physical change.
QIV Match the columns.
/4
Column B
i) cubic metre
Column A
a) Temperature
ii) Simple distillation
b) Mustard oil and water​

Answer 1

Answer:

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