Why alkali and alkline earth metals are kept under liquid?​

The name comes from the fact that the oxides of these metals produced basic solutions when dissolved in water, and they remained solids at the temperatures available to the ancient alchemists. Like the Group 1A elements, the alkaline earth metals are too reactive to be found in nature in their elemental form.

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her next move would be to use agarose gel electrophoresis to separate the dna molecules of varying length and create a dna fingerprint.

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