Jamb Chemistry Past Questions For Year 2008

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In countries where the temperature falls below 273K, salt is always sprinkled on the icy road in order to

Chlorophyll obtained from given leaves of plant can be shown to be composed of more than one coloured component by the technique of

The experiment that showed that atoms have tiny positively charged nucleus was first carried out by

Diffusion is slowest in solid particles than in particles of liquid and gases because

A. solid particles have more kinetic energy than the particles of liquid and gases
B. solid particles have less kinetic energy than the particles of liqiud and gases
C. solid particles have less restriction in their movement than liquid and gas particles
D. the particles in solids are far apart and the cohesive forces between them are negligible

300 cm³ of gas has a pressure of 800 mmHg. If the pressure is reduced to 650 mmHg, find its volume