Question
The behaviour of lithium is similar to that of
magnesium. This sort of similarity is commonly referred to as:Solution
The behavior where lithium (an alkali metal) shows similarities with magnesium (an alkaline earth metal) despite being in different groups of the periodic table is referred to as a " diagonal relationship" in the periodic table. This phenomenon is observed in the second period elements where they show similarities with the elements diagonally located in the third period.
A train crosses a pole and a platform of length 576 metres in 12 seconds and 30 seconds, respectively. Find the length of train.
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Train 'A' is 200 meters long and takes 15 seconds to cross a pole. The same train crosses train 'B' (which is 240 meters long) coming from the opposite ...
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Two trains approach each other at 20 kmph and 25 kmph from 2 places 225 km apart. After how many hours they will meet?
