Register, ask, and answer questions to earn more points and privileges. Some features are disabled for users with few points.
Aluminium is used for making electric cables while magnesium is not because;Aluminium has 3 delocalised electrons making it a better conductor than magnesium with only 2 delocalized electrons.Aluminium is resistant to corrosionAluminium has less cost than magnesium
Farmers encouraged to practice organic farming because;Its environmental friendlyProducts are free from chemicalsIt improves soil structureEnhances soil water infiltration and retention
Half life in radioactivity is the time taken by half the original amount of radioactive material to disintegrate.
Luminous flame IS not preferred for heating in the laboratory because;It produces soot which dirtify the heating apparatus during heatingIt is not hot enough.
It is advisable to melt ice directly using an electric heating coil because;Melting water is a poor conductor of heat so local heating could rise the temperature slightly.