Contact of a sea urchin egg with signal molecules on sperm causes the egg to undergo a brief ________.

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#Question id: 19546

#SCPH05 I Biotechnology

Which of the following alkaline earth metal ions has the highest ionic mobility in aqua solution?

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#Question id: 19547

#SCPH05 I Biotechnology

Which one of the alkali metals form only the normal oxide M2O on heating in air?

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#Question id: 19548

#SCPH05 I Biotechnology

As the alkaline earth metal (except Be) tend to lose their valence electron readily they act as:

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#Question id: 19549

#SCPH05 I Biotechnology

The alkaline earth metal present in chlorophyll is ———–

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#Question id: 19550

#SCPH05 I Biotechnology

In diborane molecule

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#Question id: 19551

#SCPH05 I Biotechnology

Action of caustic soda on aluminium hydroxide gives a compound with formula.